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John Bardeen

John Bardeen (/bɑːrˈdn/; May 23, 1908 – January 30, 1991)[3] was an American physicist and engineer. He is the only person to be awarded the Nobel Prize in Physics twice: first in 1956 with William Shockley and Walter Brattain for the invention of the transistor; and again in 1972 with Leon N. Cooper and John Robert Schrieffer for a fundamental theory of conventional superconductivity known as the BCS theory.[2][7]

John Bardeen
Bardeen in 1956
Born(1908-05-23)May 23, 1908
DiedJanuary 30, 1991(1991-01-30) (aged 82)
EducationUniversity of Wisconsin (BS, MS)
Princeton University (PhD)
Known for
Spouse
Jane Maxwell
(m. 1938)
Children
Awards
Scientific career
FieldsPhysics
InstitutionsBell Telephone Laboratories
University of Illinois at Urbana–Champaign
Assistant Professor of Physics at the University of Minnesota-Twin Cities ~1941-1945
ThesisQuantum Theory of the Work Function (1936)
Doctoral advisorEugene Wigner[4]
Doctoral students
InfluencesJohn Hasbrouck Van Vleck[6]

The transistor revolutionized the electronics industry, making possible the development of almost every modern electronic device, from telephones to computers, and ushering in the Information Age. Bardeen's developments in superconductivity—for which he was awarded his second Nobel Prize—are used in nuclear magnetic resonance spectroscopy (NMR), medical magnetic resonance imaging (MRI), and superconducting quantum circuits.

Born and raised in Wisconsin, Bardeen received a Ph.D. in physics from Princeton University. After serving in World War II, he was a researcher at Bell Labs and a professor at the University of Illinois. In 1990, Bardeen appeared on Life magazine's list of "100 Most Influential Americans of the Century."[8]

Education and early life

Bardeen was born in Madison, Wisconsin, on May 23, 1908.[9] He was the son of Charles Bardeen, the first dean of the University of Wisconsin Medical School.

Bardeen attended University of Wisconsin High School in Madison. He graduated from the school in 1923 at age 15.[9] He could have graduated several years earlier, but this was postponed because he took courses at another high school and because of his mother's death. Bardeen entered the University of Wisconsin in 1923. While in college, he joined the Zeta Psi fraternity. The needed membership fees he raised partly by playing billiards. Bardeen was initiated as a member of Tau Beta Pi engineering honor society. Not wanting to be an academic like his father, Bardeen chose engineering. He also felt that engineering had good job prospects.[10]

Bardeen received his Bachelor of Science degree in electrical engineering in 1928 from the University of Wisconsin.[11] Despite taking a year off to work in Chicago, he graduated in 1928.[12] Taking all the graduate courses in physics and mathematics that had interested him, Bardeen graduated in five years instead of the usual four. This allowed him time to complete his master's thesis, supervised by Leo J. Peters. He received his Master of Science degree in electrical engineering in 1929 from Wisconsin.[4][11]

Bardeen furthered his studies by staying on at Wisconsin, but he eventually went to work for Gulf Research Laboratories, the research arm of the Gulf Oil Corporation that was based in Pittsburgh.[8] From 1930 to 1933, Bardeen worked there on the development of methods for the interpretation of magnetic and gravitational surveys.[9] He worked as a geophysicist. After the work failed to keep his interest, he applied and was accepted to the graduate program in mathematics at Princeton University.[10]

As a graduate student, Bardeen studied mathematics and physics. Under physicist Eugene Wigner, he wrote his thesis on a problem in solid-state physics. Before completing his thesis, he was offered a position as Junior Fellow of the Society of Fellows at Harvard University in 1935. He spent the next three years there, from 1935 to 1938, working with to-be Nobel laureates in physics John Hasbrouck van Vleck and Percy Williams Bridgman on problems in cohesion and electrical conduction in metals,and also did some work on level density of nuclei. He received his Ph.D. in mathematical physics from Princeton in 1936.[9]

Career and research

World War II service

From 1941 to 1944, Bardeen headed the group working on magnetic mines and torpedoes and mine and torpedo countermeasures at the Naval Ordnance Laboratory. During this period, his wife Jane gave birth to a son (Bill, born in 1941) and a daughter (Betsy, born in 1944).[13]

Bell Labs

 
John Bardeen, William Shockley and Walter Brattain at Bell Labs, 1948

In October 1945, Bardeen began work at Bell Labs as a member of a solid-state physics group led by William Shockley and chemist Stanley Morgan. Other personnel working in the group were Walter Brattain, physicist Gerald Pearson, chemist Robert Gibney, electronics expert Hilbert Moore and several technicians. He moved his family to Summit, New Jersey.[14]

The assignment of the group was to seek a solid-state alternative to fragile glass vacuum tube amplifiers. Their first attempts were based on Shockley's ideas about using an external electrical field on a semiconductor to affect its conductivity. These experiments mysteriously failed every time in all sorts of configurations and materials. The group was at a standstill until Bardeen suggested a theory that invoked surface states that prevented the field from penetrating the semiconductor. The group changed its focus to study these surface states, meeting almost daily to discuss the work. The rapport of the group was excellent and ideas were freely exchanged.[15] By the winter of 1946, they had enough results that Bardeen submitted a paper on the surface states to Physical Review. Brattain started experiments to study the surface states through observations made while shining a bright light on the semiconductor's surface. This led to several more papers (one of them co-authored with Shockley), which estimated the density of the surface states to be more than enough to account for their failed experiments. The pace of the work picked up significantly when they started to surround point contacts between the semiconductor and the conducting wires with electrolytes. Moore built a circuit that allowed them to vary the frequency of the input signal easily and suggested that they use glycol borate (gu), a viscous chemical that did not evaporate. Finally, they began to get some evidence of power amplification when Pearson, acting on a suggestion by Shockley,[16] put a voltage on a droplet of gu placed across a p–n junction.

Invention of the transistor

 
A stylized replica of the first transistor invented at Bell Labs on December 23, 1947

On December 23, 1947, Bardeen and Brattain were working without Shockley when they succeeded in creating a point-contact transistor that achieved amplification. By the next month, Bell Labs' patent attorneys started to work on the patent applications.[17]

Bell Labs' attorneys soon discovered that Shockley's field effect principle had been anticipated and patented in 1930 by Julius Lilienfeld, who filed his MESFET-like patent in Canada on October 22, 1925.[18]

Shockley publicly took the lion's share of the credit for the invention of the transistor; this led to a deterioration of Bardeen's relationship with him.[19] Bell Labs management, however, consistently presented all three inventors as a team. Shockley eventually infuriated and alienated Bardeen and Brattain, essentially blocking the two from working on the junction transistor. Bardeen began pursuing a theory for superconductivity and left Bell Labs in 1951. Brattain refused to work with Shockley further and was assigned to another group. Neither Bardeen nor Brattain had much to do with the development of the transistor beyond the first year after its invention.[20][21]

The "transistor" (a portmanteau of "transconductance" and "resistor") was 1/50 the size of the vacuum tubes it replaced in televisions and radios, used far less power, was far more reliable, and it allowed electrical devices to become more compact.[8]

University of Illinois at Urbana–Champaign

 
A commemorative plaque remembering John Bardeen and the theory of superconductivity, at the University of Illinois at Urbana–Champaign

By 1951, Bardeen was looking for a new job. Fred Seitz, a friend of Bardeen, convinced the University of Illinois at Urbana–Champaign to make Bardeen an offer of $10,000 a year. Bardeen accepted the offer and left Bell Labs,[17] joining the engineering and physics faculties at Illinois in 1951, where he was Professor of Electrical Engineering and of Physics.[5]

At Illinois, he established two major research programs, one in the Electrical Engineering Department and one in the Physics Department. The research program in the Electrical Engineering Department dealt with both experimental and theoretical aspects of semiconductors, and the research program in the Physics Department dealt with theoretical aspects of macroscopic quantum systems, particularly superconductivity and quantum liquids.[22]

He was an active professor at Illinois from 1951 to 1975 and then became professor emeritus.[8] In his later life, Bardeen remained active in academic research, during which time he focused on understanding the flow of electrons in charge density waves (CDWs) through metallic linear chain compounds. His proposals[23][24][25] that CDW electron transport is a collective quantum phenomenon (see Macroscopic quantum phenomena) were initially greeted with skepticism.[26] However, experiments reported in 2012[27] show oscillations in CDW current versus magnetic flux through tantalum trisulfide rings, similar to the behavior of superconducting quantum interference devices (see SQUID and Aharonov–Bohm effect), lending credence to the idea that collective CDW electron transport is fundamentally quantum in nature.[28][29] (See quantum mechanics.) Bardeen continued his research throughout the 1980s, and published articles in Physical Review Letters[30] and Physics Today[31] less than a year before he died.

A collection of Bardeen's personal papers are held by the University of Illinois Archives.[32]

Nobel Prize in Physics in 1956

In 1956, John Bardeen shared the Nobel Prize in Physics with William Shockley of Semiconductor Laboratory of Beckman Instruments and Walter Brattain of Bell Telephone Laboratories "for their researches on semiconductors and their discovery of the transistor effect".[33]

At the Nobel Prize ceremony in Stockholm, Brattain and Shockley received their awards that night from King Gustaf VI Adolf. Bardeen brought only one of his three children to the Nobel Prize ceremony. King Gustav chided Bardeen because of this, and Bardeen assured the King that the next time he would bring all his children to the ceremony. He kept his promise.[34]

BCS theory

In 1957, Bardeen, in collaboration with Leon Cooper and his doctoral student John Robert Schrieffer, proposed the standard theory of superconductivity known as the BCS theory (named for their initials).[8]

Nobel Prize in Physics in 1972

In 1972, Bardeen shared the Nobel Prize in Physics with Leon N Cooper of Brown University and John Robert Schrieffer of the University of Pennsylvania "for their jointly developed theory of superconductivity, usually called the BCS-theory".[35] This was Bardeen's second Nobel Prize in Physics. He became the first person to win two Nobel Prizes in the same field.[36] Only four others have ever received more than one Nobel Prize.[37]

Bardeen brought his three children to the Nobel Prize ceremony in Stockholm.[34] Bardeen gave much of his Nobel Prize money to fund the Fritz London Memorial Lectures at Duke University.[38]

He is the only double laureate in physics, and one of three double laureates of the same prize; the others are Frederick Sanger who won the 1958 and 1980 Prizes in Chemistry and Karl Barry Sharpless who won the 2001 and 2022 Prizes in chemistry.[39]

Other awards

In addition to being awarded the Nobel prize twice, Bardeen has numerous other awards including:

Xerox

Bardeen was also an important adviser to Xerox Corporation. Though quiet by nature, he took the uncharacteristic step of urging Xerox executives to keep their California research center, Xerox PARC, afloat when the parent company was suspicious that its research center would amount to little.

Personal life

Bardeen married Jane Maxwell on July 18, 1938. While at Princeton, he met Jane during a visit to his old friends in Pittsburgh.

Bardeen was a scientist with a very unassuming personality. While he served as a professor for almost 40 years at the University of Illinois, he was best remembered by neighbors for hosting cookouts where he would prepare food for his friends, many of whom were unaware of his accomplishments at the university. He would always ask his guests if they liked the hamburger bun toasted (since he liked his that way). He enjoyed playing golf and going on picnics with his family. Lillian Hoddeson said that because he "differed radically from the popular stereotype of 'genius' and was uninterested in appearing other than ordinary, the public and the media often overlooked him."[5]

When Bardeen was asked about his beliefs during a 1988 interview, he responded: "I am not a religious person, and so do not think about it very much". However, he has also said: "I feel that science cannot provide an answer to the ultimate questions about the meaning and purpose of life." Bardeen did believe in a code of moral values and behavior.[46] John Bardeen's children were taken to church by his wife, who taught Sunday school and was a church elder.[47] Despite this, he and his wife made it clear that they did not have faith in an afterlife and other religious ideas.[48] He was the father of James M. Bardeen.

Death

Bardeen died of heart disease at age 82 at Brigham and Women's Hospital in Boston, Massachusetts, on January 30, 1991.[49] Although he lived in Champaign-Urbana, he had come to Boston for medical consultation.[8] Bardeen and his wife Jane (1907–1997) are buried in Forest Hill Cemetery, Madison, Wisconsin.[citation needed] They were survived by three children, James, William and Elizabeth Bardeen Greytak, and six grandchildren.[8]

Legacy

Near the end of this decade, when they begin enumerating the names of the people who had the greatest impact on the 20th century, the name of John Bardeen, who died last week, has to be near, or perhaps even arguably at, the top of the list ... Mr. Bardeen shared two Nobel Prizes and has been awarded numerous other honors. But what greater honor can there be when each of us can look all around us and everywhere see the reminders of a man whose genius has made our lives longer, healthier and better.

Chicago Tribune editorial, February 3, 1991

In honor of Bardeen, the engineering quadrangle at the University of Illinois at Urbana-Champaign is named the Bardeen Quad.

Also in honor of Bardeen, Sony Corporation endowed a $3 million John Bardeen professorial chair at the University of Illinois at Urbana-Champaign, beginning in 1990.[49] Sony Corporation owed much of its success to commercializing Bardeen's transistors in portable TVs and radios, and had worked with Illinois researchers. As of 2022, the John Bardeen Professor is Yurii Vlasov.[50]

At the time of Bardeen's death, then-University of Illinois chancellor Morton Weir said, "It is a rare person whose work changes the life of every American; John's did."[36]

Bardeen was honored on a March 6, 2008, United States postage stamp as part of the "American Scientists" series designed by artist Victor Stabin. The $0.41 stamp was unveiled in a ceremony at the University of Illinois.[51] His citation reads: "Theoretical physicist John Bardeen (1908–1991) shared the Nobel Prize in Physics twice—in 1956, as co-inventor of the transistor and in 1972, for the explanation of superconductivity. The transistor paved the way for all modern electronics, from computers to microchips. Diverse applications of superconductivity include infrared sensors and medical imaging systems." The other scientists on the "American Scientists" sheet include biochemist Gerty Cori, chemist Linus Pauling and astronomer Edwin Hubble.

References

  1. ^ . The Boston Globe. Boston. December 25, 2000. Archived from the original on March 1, 2016. Retrieved December 27, 2014.
  2. ^ a b Bardeen Biography from the Nobel Foundation
  3. ^ a b c Pippard, B. (1994). "John Bardeen. 23 May 1908–30 January 1991". Biographical Memoirs of Fellows of the Royal Society. 39: 20–34. doi:10.1098/rsbm.1994.0002. S2CID 121943831.
  4. ^ a b c d John Bardeen at the Mathematics Genealogy Project
  5. ^ a b c "Nice Guys Can Finish As Geniuses at University of Illinois in Urbana-Champaign". Chicago Tribune: Knight Ridder News Service. January 25, 2003. Retrieved August 3, 2007.
  6. ^ Bardeen, J. (1980). "Reminiscences of Early Days in Solid State Physics". Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences. 371 (1744): 77–83. Bibcode:1980RSPSA.371...77B. doi:10.1098/rspa.1980.0059. ISSN 0080-4630. JSTOR 2990278. S2CID 121788084.
  7. ^ Hoddeson, Lillian and Vicki Daitch. True Genius: the Life and Science of John Bardeen. National Academy Press, 2002. ISBN 0-309-08408-3
  8. ^ a b c d e f g . Washington Post. January 31, 1991. Archived from the original on November 2, 2012. Retrieved August 3, 2007.
  9. ^ a b c d "Biography of John Bardeen". The Nobel Foundation. Retrieved November 1, 2007.
  10. ^ a b "Biography of John Bardeen 1". PBS. Retrieved December 24, 2007.
  11. ^ a b "Curriculum Vitae of John Bardeen". The Nobel Foundation. Retrieved November 1, 2007.
  12. ^ David Pines (May 1, 2003). . physicsworld.com. Archived from the original on October 20, 2007. Retrieved January 7, 2008.
  13. ^ Pines, David. "John Bardeen". (2013).
  14. ^ Daitch, Vicki; Hoddeson, Lillian (2002). True Genius: The Life and Science of John Bardeen. Joseph Henry Press. p. 117. ISBN 9780309084086. Soon, however, life in Summit would become easy and rich for the Bardeens.
  15. ^ Riordan, Michael; Hoddeson, Lillian (1997). Crystal Fire. W. W. Norton & Company. p. 127. ISBN 9780393041248.
  16. ^ Riordan, Michael; Hoddeson, Lillian (1997). Crystal Fire: The Birth of the Information Age. W. W. Norton & Company. p. 132. ISBN 9780393041248.
  17. ^ a b "Biography of John Bardeen 2". PBS. Retrieved December 24, 2007.
  18. ^ US 1745175  "Method and apparatus for controlling electric current" first filing in Canada on October 22, 1925
  19. ^ Diane Kormos Buchwald. American Scientist 91.2 (Mar.–Apr. 2003): 185–186.
  20. ^ Crystal Fire p. 278
  21. ^ R. Kessler. "Absent at the Creation", Washington Post Magazine, 1997.
  22. ^ . The University of Illinois at Urbana-Champaign. Archived from the original on October 11, 2007. Retrieved November 6, 2007.
  23. ^ Bardeen, John (1979). "Theory of non-ohmic conduction from charge-density waves in NbSe3". Physical Review Letters. 42 (22): 1498–1500. Bibcode:1979PhRvL..42.1498B. doi:10.1103/PhysRevLett.42.1498.
  24. ^ Bardeen, John (1980). "Tunneling theory of charge-density-wave depinning". Physical Review Letters. 45 (24): 1978–1980. Bibcode:1980PhRvL..45.1978B. doi:10.1103/PhysRevLett.45.1978.
  25. ^ J. H. Miller, Jr.; J. Richard; J. R. Tucker; John Bardeen (1983). "Evidence for tunneling of charge-density waves in TaS3". Physical Review Letters. 51 (17): 1592–1595. Bibcode:1983PhRvL..51.1592M. doi:10.1103/PhysRevLett.51.1592.
  26. ^ Pines, David (2009). (PDF). Proceedings of the American Philosophical Society. 153 (3): 287–321. Archived from the original (PDF) on May 24, 2013.
  27. ^ M. Tsubota; K. Inagaki; T. Matsuura; S. Tanda (2012). "Aharonov-Bohm effect in charge-density wave loops with inherent temporal current switching". EPL. 97 (5): 57011. arXiv:0906.5206. Bibcode:2012EL.....9757011T. doi:10.1209/0295-5075/97/57011. S2CID 119243023.
  28. ^ J. H. Miller, Jr.; A.I. Wijesinghe; Z. Tang; A.M. Guloy (2012). "Correlated quantum transport of density wave electrons". Physical Review Letters. 108 (3): 036404. arXiv:1109.4619. Bibcode:2012PhRvL.108c6404M. doi:10.1103/PhysRevLett.108.036404. PMID 22400766. S2CID 29510494.
  29. ^ J.H. Miller, Jr.; A.I. Wijesinghe; Z. Tang; A.M. Guloy (2013). "Coherent quantum transport of charge density waves". Physical Review B. 87 (11): 115127. arXiv:1212.3020. Bibcode:2013PhRvB..87k5127M. doi:10.1103/PhysRevB.87.115127. S2CID 119241570.
  30. ^ Bardeen, John (1990). "Theory of size effects in depinning of charge-density waves". Physical Review Letters. 64 (19): 2297–2299. Bibcode:1990PhRvL..64.2297B. doi:10.1103/PhysRevLett.64.2297. PMID 10041638.
  31. ^ Bardeen, John (1990). "Superconductivity and other macroscopic quantum phenomena". Physics Today. 43 (12): 25–31. Bibcode:1990PhT....43l..25B. doi:10.1063/1.881218. Archived from the original on April 15, 2013.
  32. ^ "Finding Aid for John Bardeen Papers, 1910–91". The University of Illinois Archives. Retrieved October 2, 2021.
  33. ^ "The Nobel Prize in Physics in 1956". The Nobel Foundation. Retrieved November 6, 2007.
  34. ^ a b "Biography of John Bardeen 3". PBS. Retrieved December 24, 2007.
  35. ^ "The Nobel Prize in Physics in 1972". The Nobel Foundation. Retrieved December 19, 2007.
  36. ^ a b . Chicago Sun-Times. January 31, 1991. Archived from the original on November 2, 2012. Retrieved August 3, 2007.
  37. ^ cf. List of Nobel laureates#Laureates
  38. ^ "Fritz London Memorial Prize". Duke University. Retrieved December 24, 2007.
  39. ^ "Nobel Prize Facts". Nobelprize.org. Retrieved September 1, 2015.
  40. ^ "John Bardeen". www.nasonline.org. Retrieved December 13, 2022.
  41. ^ "APS Member History". search.amphilsoc.org. Retrieved December 13, 2022.
  42. ^ "Book of Members, 1780–2010: Chapter B" (PDF). American Academy of Arts and Sciences. Retrieved April 15, 2011.
  43. ^ "The President's National Medal of Science: Recipient Details – US National Science Foundation (NSF)". nsf.gov. Retrieved February 25, 2014.
  44. ^ . London: Royal Society. Archived from the original on October 15, 2015.
  45. ^ "Golden Plate Awardees of the American Academy of Achievement". www.achievement.org. American Academy of Achievement.
  46. ^ Hoddeson, Lillian; Daitch, Vicki (2002). True Genius: The Life and Science of John Bardeen. Joseph Henry Press. ISBN 9780309169547. John's mother, Althea, had been reared in the Quaker tradition, and his stepmother, Ruth, was Catholic, but John was resolutely secular throughout his life. He was once "taken by surprise" when an interviewer asked him a question about religion. "I am not a religious person," he said, "and so do not think about it very much." He went on in a rare elaboration of his personal beliefs. "I feel that science cannot provide an answer to the ultimate questions about the meaning and purpose of life. With religion, one can get answers on faith. Most scientists leave them open and perhaps unanswerable, but do abide by a code of moral values. For a civilized society to succeed, there must be a common consensus on moral values and moral behaviour, with due regard to the welfare of our fellow man. There are likely many sets of moral values compatible with successful civilized society. It is when they conflict that difficulties arise."
  47. ^ Daitch & Hoddeson (2002). True Genius:: The Life and Science of John Bardeen. Joseph Henry Press, pp. 168–169.
  48. ^ Vicki Daitch, Lillian Hoddeson (2002). "Last Journey". True Genius:: The Life and Science of John Bardeen. Joseph Henry Press. p. 313. ISBN 9780309169547. Every time we attend a funeral service," Jane had once told her sister Betty, "we decide again that we want no such ceremony when we die." She and John agreed that the family could, if they wanted to, have a memorial service conducted by friends and family, "but not a sermon by a stranger, who, if a minister, is bound to dwell on life after death and other religious ideas in which we have no faith.
  49. ^ a b John Noble Wilford (January 31, 1991). "Dr. John Bardeen, 82, Winner Of Nobel Prize for Transistor, Dies". The New York Times. Retrieved February 25, 2014. John Bardeen, a co-inventor of the transistor that led to modern electronics and twice a winner of the Nobel Prize in Physics, died yesterday at Brigham and Women's Hospital in Boston. He was 82 years old. ...
  50. ^ Communications, Grainger Engineering Office of Marketing and. "John Bardeen Endowed Chair in Electrical and Computer Engineering and Physics, sponsored by the Sony Corporation". ece.illinois.edu. Retrieved September 9, 2022.
  51. ^ "Bardeen Stamp Celebrated at Campus Ceremony". University of Illinois. Retrieved March 4, 2008.

External links

  •   Media related to John Bardeen at Wikimedia Commons
  •   Quotations related to John Bardeen at Wikiquote
  • at the University of Illinois at Urbana-Champaign
  • John Bardeen on Nobelprize.org   including his 2 Nobel lectures
    • December 11, 1956 Semiconductor Research Leading to the Point Contact Transistor
    • December 11, 1972 Electron-Phonon Interactions and Superconductivity
  • Associated Press Obituary of John Bardeen as printed in The Boston Globe
  • Oral History interview transcript with John Bardeen on 12 May 1977, American Institute of Physics, Niels Bohr Library and Archives - Session I, interviewed by Lillian Hoddeson
  • Oral History interview transcript with John Bardeen on 16 May 1977, American Institute of Physics, Niels Bohr Library and Archives – Session II, interviewed by Lillian Hoddeson
  • Oral History interview transcript with John Bardeen on 1 December 1977, American Institute of Physics, Niels Bohr Library and Archives – Session III, interviewed by Lillian Hoddeson
  • Oral History interview transcript with John Bardeen on 22 December 1977, American Institute of Physics, Niels Bohr Library and Archives - Session IV, interviewed by Lillian Hoddeson
  • Oral History interview transcript with John Bardeen on 4 April 1978, American Institute of Physics, Niels Bohr Library and Archives – Session V, interviewed by Lillian Hoddeson and Gordon Baym
  • Oral History interview transcript with John Bardeen on 13 February 1980, American Institute of Physics, Niels Bohr Library and Archives, interviewed by Lillian Hoddeson
  • The American Presidency Project
  • IEEE History Center biography
  • IEEE second Int. Conference on Computers, Communications and Control (ICCCC 2008), an event dedicated to the Centenary of John Bardeen (1908–1991)
  • U.S. Patent 2,524,035 – "Three-Electrode Circuit Element Utilizing Semiconductive Materials"

john, bardeen, ɑːr, 1908, january, 1991, american, physicist, engineer, only, person, awarded, nobel, prize, physics, twice, first, 1956, with, william, shockley, walter, brattain, invention, transistor, again, 1972, with, leon, cooper, john, robert, schrieffe. John Bardeen b ɑːr ˈ d iː n May 23 1908 January 30 1991 3 was an American physicist and engineer He is the only person to be awarded the Nobel Prize in Physics twice first in 1956 with William Shockley and Walter Brattain for the invention of the transistor and again in 1972 with Leon N Cooper and John Robert Schrieffer for a fundamental theory of conventional superconductivity known as the BCS theory 2 7 John BardeenBardeen in 1956Born 1908 05 23 May 23 1908Madison Wisconsin U S DiedJanuary 30 1991 1991 01 30 aged 82 Boston Massachusetts U S EducationUniversity of Wisconsin BS MS Princeton University PhD Known forPoint contact transistor Field effect transistor BCS theory Superconductivity Surface physics Deformation potential theory Bardeen s formalism Mattis Bardeen theorySpouseJane Maxwell m 1938 wbr ChildrenJames M Bardeen 1939 2022 William A Bardeen b 1941 Elizabeth Greytak 1944 2000 1 AwardsStuart Ballantine Medal 1952 Oliver E Buckley Condensed Matter Prize 1954 Nobel Prize in Physics 1956 2 Fritz London Memorial Prize 1962 National Medal of Science 1965 IEEE Medal of Honor 1971 Nobel Prize in Physics 1972 ForMemRS 1973 3 Lomonosov Gold Medal 1987 Harold Pender Award 1988 Scientific careerFieldsPhysicsInstitutionsBell Telephone LaboratoriesUniversity of Illinois at Urbana ChampaignAssistant Professor of Physics at the University of Minnesota Twin Cities 1941 1945ThesisQuantum Theory of the Work Function 1936 Doctoral advisorEugene Wigner 4 Doctoral studentsWilliam L McMillan 4 John Robert Schrieffer 4 Nick Holonyak 5 InfluencesJohn Hasbrouck Van Vleck 6 The transistor revolutionized the electronics industry making possible the development of almost every modern electronic device from telephones to computers and ushering in the Information Age Bardeen s developments in superconductivity for which he was awarded his second Nobel Prize are used in nuclear magnetic resonance spectroscopy NMR medical magnetic resonance imaging MRI and superconducting quantum circuits Born and raised in Wisconsin Bardeen received a Ph D in physics from Princeton University After serving in World War II he was a researcher at Bell Labs and a professor at the University of Illinois In 1990 Bardeen appeared on Life magazine s list of 100 Most Influential Americans of the Century 8 Contents 1 Education and early life 2 Career and research 2 1 World War II service 2 2 Bell Labs 2 3 Invention of the transistor 2 4 University of Illinois at Urbana Champaign 2 5 Nobel Prize in Physics in 1956 2 6 BCS theory 2 7 Nobel Prize in Physics in 1972 2 8 Other awards 2 9 Xerox 3 Personal life 3 1 Death 3 2 Legacy 4 References 5 External linksEducation and early life EditBardeen was born in Madison Wisconsin on May 23 1908 9 He was the son of Charles Bardeen the first dean of the University of Wisconsin Medical School Bardeen attended University of Wisconsin High School in Madison He graduated from the school in 1923 at age 15 9 He could have graduated several years earlier but this was postponed because he took courses at another high school and because of his mother s death Bardeen entered the University of Wisconsin in 1923 While in college he joined the Zeta Psi fraternity The needed membership fees he raised partly by playing billiards Bardeen was initiated as a member of Tau Beta Pi engineering honor society Not wanting to be an academic like his father Bardeen chose engineering He also felt that engineering had good job prospects 10 Bardeen received his Bachelor of Science degree in electrical engineering in 1928 from the University of Wisconsin 11 Despite taking a year off to work in Chicago he graduated in 1928 12 Taking all the graduate courses in physics and mathematics that had interested him Bardeen graduated in five years instead of the usual four This allowed him time to complete his master s thesis supervised by Leo J Peters He received his Master of Science degree in electrical engineering in 1929 from Wisconsin 4 11 Bardeen furthered his studies by staying on at Wisconsin but he eventually went to work for Gulf Research Laboratories the research arm of the Gulf Oil Corporation that was based in Pittsburgh 8 From 1930 to 1933 Bardeen worked there on the development of methods for the interpretation of magnetic and gravitational surveys 9 He worked as a geophysicist After the work failed to keep his interest he applied and was accepted to the graduate program in mathematics at Princeton University 10 As a graduate student Bardeen studied mathematics and physics Under physicist Eugene Wigner he wrote his thesis on a problem in solid state physics Before completing his thesis he was offered a position as Junior Fellow of the Society of Fellows at Harvard University in 1935 He spent the next three years there from 1935 to 1938 working with to be Nobel laureates in physics John Hasbrouck van Vleck and Percy Williams Bridgman on problems in cohesion and electrical conduction in metals and also did some work on level density of nuclei He received his Ph D in mathematical physics from Princeton in 1936 9 Career and research EditWorld War II service Edit From 1941 to 1944 Bardeen headed the group working on magnetic mines and torpedoes and mine and torpedo countermeasures at the Naval Ordnance Laboratory During this period his wife Jane gave birth to a son Bill born in 1941 and a daughter Betsy born in 1944 13 Bell Labs Edit John Bardeen William Shockley and Walter Brattain at Bell Labs 1948 In October 1945 Bardeen began work at Bell Labs as a member of a solid state physics group led by William Shockley and chemist Stanley Morgan Other personnel working in the group were Walter Brattain physicist Gerald Pearson chemist Robert Gibney electronics expert Hilbert Moore and several technicians He moved his family to Summit New Jersey 14 The assignment of the group was to seek a solid state alternative to fragile glass vacuum tube amplifiers Their first attempts were based on Shockley s ideas about using an external electrical field on a semiconductor to affect its conductivity These experiments mysteriously failed every time in all sorts of configurations and materials The group was at a standstill until Bardeen suggested a theory that invoked surface states that prevented the field from penetrating the semiconductor The group changed its focus to study these surface states meeting almost daily to discuss the work The rapport of the group was excellent and ideas were freely exchanged 15 By the winter of 1946 they had enough results that Bardeen submitted a paper on the surface states to Physical Review Brattain started experiments to study the surface states through observations made while shining a bright light on the semiconductor s surface This led to several more papers one of them co authored with Shockley which estimated the density of the surface states to be more than enough to account for their failed experiments The pace of the work picked up significantly when they started to surround point contacts between the semiconductor and the conducting wires with electrolytes Moore built a circuit that allowed them to vary the frequency of the input signal easily and suggested that they use glycol borate gu a viscous chemical that did not evaporate Finally they began to get some evidence of power amplification when Pearson acting on a suggestion by Shockley 16 put a voltage on a droplet of gu placed across a p n junction Invention of the transistor Edit Main articles Transistor and History of the transistor A stylized replica of the first transistor invented at Bell Labs on December 23 1947 On December 23 1947 Bardeen and Brattain were working without Shockley when they succeeded in creating a point contact transistor that achieved amplification By the next month Bell Labs patent attorneys started to work on the patent applications 17 Bell Labs attorneys soon discovered that Shockley s field effect principle had been anticipated and patented in 1930 by Julius Lilienfeld who filed his MESFET like patent in Canada on October 22 1925 18 Shockley publicly took the lion s share of the credit for the invention of the transistor this led to a deterioration of Bardeen s relationship with him 19 Bell Labs management however consistently presented all three inventors as a team Shockley eventually infuriated and alienated Bardeen and Brattain essentially blocking the two from working on the junction transistor Bardeen began pursuing a theory for superconductivity and left Bell Labs in 1951 Brattain refused to work with Shockley further and was assigned to another group Neither Bardeen nor Brattain had much to do with the development of the transistor beyond the first year after its invention 20 21 The transistor a portmanteau of transconductance and resistor was 1 50 the size of the vacuum tubes it replaced in televisions and radios used far less power was far more reliable and it allowed electrical devices to become more compact 8 University of Illinois at Urbana Champaign Edit A commemorative plaque remembering John Bardeen and the theory of superconductivity at the University of Illinois at Urbana Champaign By 1951 Bardeen was looking for a new job Fred Seitz a friend of Bardeen convinced the University of Illinois at Urbana Champaign to make Bardeen an offer of 10 000 a year Bardeen accepted the offer and left Bell Labs 17 joining the engineering and physics faculties at Illinois in 1951 where he was Professor of Electrical Engineering and of Physics 5 At Illinois he established two major research programs one in the Electrical Engineering Department and one in the Physics Department The research program in the Electrical Engineering Department dealt with both experimental and theoretical aspects of semiconductors and the research program in the Physics Department dealt with theoretical aspects of macroscopic quantum systems particularly superconductivity and quantum liquids 22 He was an active professor at Illinois from 1951 to 1975 and then became professor emeritus 8 In his later life Bardeen remained active in academic research during which time he focused on understanding the flow of electrons in charge density waves CDWs through metallic linear chain compounds His proposals 23 24 25 that CDW electron transport is a collective quantum phenomenon see Macroscopic quantum phenomena were initially greeted with skepticism 26 However experiments reported in 2012 27 show oscillations in CDW current versus magnetic flux through tantalum trisulfide rings similar to the behavior of superconducting quantum interference devices see SQUID and Aharonov Bohm effect lending credence to the idea that collective CDW electron transport is fundamentally quantum in nature 28 29 See quantum mechanics Bardeen continued his research throughout the 1980s and published articles in Physical Review Letters 30 and Physics Today 31 less than a year before he died A collection of Bardeen s personal papers are held by the University of Illinois Archives 32 Nobel Prize in Physics in 1956 Edit In 1956 John Bardeen shared the Nobel Prize in Physics with William Shockley of Semiconductor Laboratory of Beckman Instruments and Walter Brattain of Bell Telephone Laboratories for their researches on semiconductors and their discovery of the transistor effect 33 At the Nobel Prize ceremony in Stockholm Brattain and Shockley received their awards that night from King Gustaf VI Adolf Bardeen brought only one of his three children to the Nobel Prize ceremony King Gustav chided Bardeen because of this and Bardeen assured the King that the next time he would bring all his children to the ceremony He kept his promise 34 BCS theory Edit Main article BCS theory In 1957 Bardeen in collaboration with Leon Cooper and his doctoral student John Robert Schrieffer proposed the standard theory of superconductivity known as the BCS theory named for their initials 8 Nobel Prize in Physics in 1972 Edit In 1972 Bardeen shared the Nobel Prize in Physics with Leon N Cooper of Brown University and John Robert Schrieffer of the University of Pennsylvania for their jointly developed theory of superconductivity usually called the BCS theory 35 This was Bardeen s second Nobel Prize in Physics He became the first person to win two Nobel Prizes in the same field 36 Only four others have ever received more than one Nobel Prize 37 Bardeen brought his three children to the Nobel Prize ceremony in Stockholm 34 Bardeen gave much of his Nobel Prize money to fund the Fritz London Memorial Lectures at Duke University 38 He is the only double laureate in physics and one of three double laureates of the same prize the others are Frederick Sanger who won the 1958 and 1980 Prizes in Chemistry and Karl Barry Sharpless who won the 2001 and 2022 Prizes in chemistry 39 Other awards Edit In addition to being awarded the Nobel prize twice Bardeen has numerous other awards including 1952 Franklin Institute s Stuart Ballantine Medal 1954 elected a member of the United States National Academy of Sciences 40 1958 elected to the American Philosophical Society 41 1959 elected a Fellow of the American Academy of Arts and Sciences 42 1965 National Medal of Science 43 1971 IEEE Medal of Honor for his profound contributions to the understanding of the conductivity of solids to the invention of the transistor and to the microscopic theory of superconductivity Elected a Foreign Member of the Royal Society ForMemRS in 1973 3 44 1975 Franklin Medal On January 10 1977 John Bardeen was presented with the Presidential Medal of Freedom by President Gerald Ford He was represented at the ceremony by his son William Bardeen Bardeen was one of 11 recipients given the Third Century Award from President George H W Bush in 1990 for exceptional contributions to American society and was granted a gold medal from the Soviet Academy of Sciences in 1988 1987 Golden Plate Award of the American Academy of Achievement 45 Xerox Edit Bardeen was also an important adviser to Xerox Corporation Though quiet by nature he took the uncharacteristic step of urging Xerox executives to keep their California research center Xerox PARC afloat when the parent company was suspicious that its research center would amount to little Personal life EditBardeen married Jane Maxwell on July 18 1938 While at Princeton he met Jane during a visit to his old friends in Pittsburgh Bardeen was a scientist with a very unassuming personality While he served as a professor for almost 40 years at the University of Illinois he was best remembered by neighbors for hosting cookouts where he would prepare food for his friends many of whom were unaware of his accomplishments at the university He would always ask his guests if they liked the hamburger bun toasted since he liked his that way He enjoyed playing golf and going on picnics with his family Lillian Hoddeson said that because he differed radically from the popular stereotype of genius and was uninterested in appearing other than ordinary the public and the media often overlooked him 5 When Bardeen was asked about his beliefs during a 1988 interview he responded I am not a religious person and so do not think about it very much However he has also said I feel that science cannot provide an answer to the ultimate questions about the meaning and purpose of life Bardeen did believe in a code of moral values and behavior 46 John Bardeen s children were taken to church by his wife who taught Sunday school and was a church elder 47 Despite this he and his wife made it clear that they did not have faith in an afterlife and other religious ideas 48 He was the father of James M Bardeen Death Edit Bardeen died of heart disease at age 82 at Brigham and Women s Hospital in Boston Massachusetts on January 30 1991 49 Although he lived in Champaign Urbana he had come to Boston for medical consultation 8 Bardeen and his wife Jane 1907 1997 are buried in Forest Hill Cemetery Madison Wisconsin citation needed They were survived by three children James William and Elizabeth Bardeen Greytak and six grandchildren 8 Legacy Edit Near the end of this decade when they begin enumerating the names of the people who had the greatest impact on the 20th century the name of John Bardeen who died last week has to be near or perhaps even arguably at the top of the list Mr Bardeen shared two Nobel Prizes and has been awarded numerous other honors But what greater honor can there be when each of us can look all around us and everywhere see the reminders of a man whose genius has made our lives longer healthier and better Chicago Tribune editorial February 3 1991 In honor of Bardeen the engineering quadrangle at the University of Illinois at Urbana Champaign is named the Bardeen Quad Also in honor of Bardeen Sony Corporation endowed a 3 million John Bardeen professorial chair at the University of Illinois at Urbana Champaign beginning in 1990 49 Sony Corporation owed much of its success to commercializing Bardeen s transistors in portable TVs and radios and had worked with Illinois researchers As of 2022 update the John Bardeen Professor is Yurii Vlasov 50 At the time of Bardeen s death then University of Illinois chancellor Morton Weir said It is a rare person whose work changes the life of every American John s did 36 Bardeen was honored on a March 6 2008 United States postage stamp as part of the American Scientists series designed by artist Victor Stabin The 0 41 stamp was unveiled in a ceremony at the University of Illinois 51 His citation reads Theoretical physicist John Bardeen 1908 1991 shared the Nobel Prize in Physics twice in 1956 as co inventor of the transistor and in 1972 for the explanation of superconductivity The transistor paved the way for all modern electronics from computers to microchips Diverse applications of superconductivity include infrared sensors and medical imaging systems The other scientists on the American Scientists sheet include biochemist Gerty Cori chemist Linus Pauling and astronomer Edwin Hubble References Edit Elizabeth Greytak Systems Analyst The Boston Globe Boston December 25 2000 Archived from the original on March 1 2016 Retrieved December 27 2014 a b Bardeen Biography from the Nobel Foundation a b c Pippard B 1994 John Bardeen 23 May 1908 30 January 1991 Biographical Memoirs of Fellows of the Royal Society 39 20 34 doi 10 1098 rsbm 1994 0002 S2CID 121943831 a b c d John Bardeen at the Mathematics Genealogy Project a b c Nice Guys Can Finish As Geniuses at University of Illinois in Urbana Champaign Chicago Tribune Knight Ridder News Service January 25 2003 Retrieved August 3 2007 Bardeen J 1980 Reminiscences of Early Days in Solid State Physics Proceedings of the Royal Society of London Series A Mathematical and Physical Sciences 371 1744 77 83 Bibcode 1980RSPSA 371 77B doi 10 1098 rspa 1980 0059 ISSN 0080 4630 JSTOR 2990278 S2CID 121788084 Hoddeson Lillian and Vicki Daitch True Genius the Life and Science of John Bardeen National Academy Press 2002 ISBN 0 309 08408 3 a b c d e f g John Bardeen Nobelist Inventor of Transistor Dies Washington Post January 31 1991 Archived from the original on November 2 2012 Retrieved August 3 2007 a b c d Biography of John Bardeen The Nobel Foundation Retrieved November 1 2007 a b Biography of John Bardeen 1 PBS Retrieved December 24 2007 a b Curriculum Vitae of John Bardeen The Nobel Foundation Retrieved November 1 2007 David Pines May 1 2003 John Bardeen genius in action physicsworld com Archived from the original on October 20 2007 Retrieved January 7 2008 Pines David John Bardeen 2013 Daitch Vicki Hoddeson Lillian 2002 True Genius The Life and Science of John Bardeen Joseph Henry Press p 117 ISBN 9780309084086 Soon however life in Summit would become easy and rich for the Bardeens Riordan Michael Hoddeson Lillian 1997 Crystal Fire W W Norton amp Company p 127 ISBN 9780393041248 Riordan Michael Hoddeson Lillian 1997 Crystal Fire The Birth of the Information Age W W Norton amp Company p 132 ISBN 9780393041248 a b Biography of John Bardeen 2 PBS Retrieved December 24 2007 US 1745175 Method and apparatus for controlling electric current first filing in Canada on October 22 1925 Diane Kormos Buchwald American Scientist 91 2 Mar Apr 2003 185 186 Crystal Fire p 278 R Kessler Absent at the Creation Washington Post Magazine 1997 Biography at the University of Illinois at Urbana Champaign The University of Illinois at Urbana Champaign Archived from the original on October 11 2007 Retrieved November 6 2007 Bardeen John 1979 Theory of non ohmic conduction from charge density waves in NbSe3 Physical Review Letters 42 22 1498 1500 Bibcode 1979PhRvL 42 1498B doi 10 1103 PhysRevLett 42 1498 Bardeen John 1980 Tunneling theory of charge density wave depinning Physical Review Letters 45 24 1978 1980 Bibcode 1980PhRvL 45 1978B doi 10 1103 PhysRevLett 45 1978 J H Miller Jr J Richard J R Tucker John Bardeen 1983 Evidence for tunneling of charge density waves in TaS3 Physical Review Letters 51 17 1592 1595 Bibcode 1983PhRvL 51 1592M doi 10 1103 PhysRevLett 51 1592 Pines David 2009 Biographical Memoirs John Bardeen PDF Proceedings of the American Philosophical Society 153 3 287 321 Archived from the original PDF on May 24 2013 M Tsubota K Inagaki T Matsuura S Tanda 2012 Aharonov Bohm effect in charge density wave loops with inherent temporal current switching EPL 97 5 57011 arXiv 0906 5206 Bibcode 2012EL 9757011T doi 10 1209 0295 5075 97 57011 S2CID 119243023 J H Miller Jr A I Wijesinghe Z Tang A M Guloy 2012 Correlated quantum transport of density wave electrons Physical Review Letters 108 3 036404 arXiv 1109 4619 Bibcode 2012PhRvL 108c6404M doi 10 1103 PhysRevLett 108 036404 PMID 22400766 S2CID 29510494 J H Miller Jr A I Wijesinghe Z Tang A M Guloy 2013 Coherent quantum transport of charge density waves Physical Review B 87 11 115127 arXiv 1212 3020 Bibcode 2013PhRvB 87k5127M doi 10 1103 PhysRevB 87 115127 S2CID 119241570 Bardeen John 1990 Theory of size effects in depinning of charge density waves Physical Review Letters 64 19 2297 2299 Bibcode 1990PhRvL 64 2297B doi 10 1103 PhysRevLett 64 2297 PMID 10041638 Bardeen John 1990 Superconductivity and other macroscopic quantum phenomena Physics Today 43 12 25 31 Bibcode 1990PhT 43l 25B doi 10 1063 1 881218 Archived from the original on April 15 2013 Finding Aid for John Bardeen Papers 1910 91 The University of Illinois Archives Retrieved October 2 2021 The Nobel Prize in Physics in 1956 The Nobel Foundation Retrieved November 6 2007 a b Biography of John Bardeen 3 PBS Retrieved December 24 2007 The Nobel Prize in Physics in 1972 The Nobel Foundation Retrieved December 19 2007 a b Physicist John Bardeen 82 transistor pioneer Nobelist Chicago Sun Times January 31 1991 Archived from the original on November 2 2012 Retrieved August 3 2007 cf List of Nobel laureates Laureates Fritz London Memorial Prize Duke University Retrieved December 24 2007 Nobel Prize Facts Nobelprize org Retrieved September 1 2015 John Bardeen www nasonline org Retrieved December 13 2022 APS Member History search amphilsoc org Retrieved December 13 2022 Book of Members 1780 2010 Chapter B PDF American Academy of Arts and Sciences Retrieved April 15 2011 The President s National Medal of Science Recipient Details US National Science Foundation NSF nsf gov Retrieved February 25 2014 Fellowship of the Royal Society 1660 2015 London Royal Society Archived from the original on October 15 2015 Golden Plate Awardees of the American Academy of Achievement www achievement org American Academy of Achievement Hoddeson Lillian Daitch Vicki 2002 True Genius The Life and Science of John Bardeen Joseph Henry Press ISBN 9780309169547 John s mother Althea had been reared in the Quaker tradition and his stepmother Ruth was Catholic but John was resolutely secular throughout his life He was once taken by surprise when an interviewer asked him a question about religion I am not a religious person he said and so do not think about it very much He went on in a rare elaboration of his personal beliefs I feel that science cannot provide an answer to the ultimate questions about the meaning and purpose of life With religion one can get answers on faith Most scientists leave them open and perhaps unanswerable but do abide by a code of moral values For a civilized society to succeed there must be a common consensus on moral values and moral behaviour with due regard to the welfare of our fellow man There are likely many sets of moral values compatible with successful civilized society It is when they conflict that difficulties arise Daitch amp Hoddeson 2002 True Genius The Life and Science of John Bardeen Joseph Henry Press pp 168 169 Vicki Daitch Lillian Hoddeson 2002 Last Journey True Genius The Life and Science of John Bardeen Joseph Henry Press p 313 ISBN 9780309169547 Every time we attend a funeral service Jane had once told her sister Betty we decide again that we want no such ceremony when we die She and John agreed that the family could if they wanted to have a memorial service conducted by friends and family but not a sermon by a stranger who if a minister is bound to dwell on life after death and other religious ideas in which we have no faith a b John Noble Wilford January 31 1991 Dr John Bardeen 82 Winner Of Nobel Prize for Transistor Dies The New York Times Retrieved February 25 2014 John Bardeen a co inventor of the transistor that led to modern electronics and twice a winner of the Nobel Prize in Physics died yesterday at Brigham and Women s Hospital in Boston He was 82 years old Communications Grainger Engineering Office of Marketing and John Bardeen Endowed Chair in Electrical and Computer Engineering and Physics sponsored by the Sony Corporation ece illinois edu Retrieved September 9 2022 Bardeen Stamp Celebrated at Campus Ceremony University of Illinois Retrieved March 4 2008 External links Edit Media related to John Bardeen at Wikimedia Commons Quotations related to John Bardeen at Wikiquote The Bardeen Archives at the University of Illinois at Urbana Champaign John Bardeen on Nobelprize org including his 2 Nobel lectures December 11 1956 Semiconductor Research Leading to the Point Contact Transistor December 11 1972 Electron Phonon Interactions and Superconductivity Associated Press Obituary of John Bardeen as printed in The Boston Globe Oral History interview transcript with John Bardeen on 12 May 1977 American Institute of Physics Niels Bohr Library and Archives Session I interviewed by Lillian Hoddeson Oral History interview transcript with John Bardeen on 16 May 1977 American Institute of Physics Niels Bohr Library and Archives Session II interviewed by Lillian Hoddeson Oral History interview transcript with John Bardeen on 1 December 1977 American Institute of Physics Niels Bohr Library and Archives Session III interviewed by Lillian Hoddeson Oral History interview transcript with John Bardeen on 22 December 1977 American Institute of Physics Niels Bohr Library and Archives Session IV interviewed by Lillian Hoddeson Oral History interview transcript with John Bardeen on 4 April 1978 American Institute of Physics Niels Bohr Library and Archives Session V interviewed by Lillian Hoddeson and Gordon Baym Oral History interview transcript with John Bardeen on 13 February 1980 American Institute of Physics Niels Bohr Library and Archives interviewed by Lillian Hoddeson Interview with Bardeen about his experience at Princeton The American Presidency Project IEEE History Center biography IEEE second Int Conference on Computers Communications and Control ICCCC 2008 an event dedicated to the Centenary of John Bardeen 1908 1991 U S Patent 2 524 035 Three Electrode Circuit Element Utilizing Semiconductive Materials Portals Biography Science Retrieved from https en wikipedia org w index php title John Bardeen amp oldid 1127263809, wikipedia, wiki, book, books, library,

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