Ogren was born in 1922 in Jamestown, New York, son of David Paul and Mary Gladys (born Ahlstrom) Ogren. While in secondary school, he developed a strong interest in natural history and started to study microscopic biology at home.[1]
He earned a bachelor's degree in Zoology in 1947 from Wheaton College and a master's degree from Northwestern University in 1948. He married his wife, Jean Blose Jackson, on 28 August 1948, and their first son, Paul Robert Ogren, was born on 24 June 1949.[1]
In 1953 he received a Ph.D. degree in Zoology and Physiology from the University of Illinois. His doctoral thesis was entitled "Concepts of Early Tapeworm Development Derived From Comparative Embryology of Oncospheres".[1]
He began his academic career in 1953 as an assistant professor of biology at Ursinus College, remaining until 1957. During this time he had his second son, Philip Edward Ogren, born in 1955.[1]
From 1957 to 1963, he worked also as an assistant professor of biology at Dickinson College, acting as chairman of the biology department from 1959 to 1960.[1] In 1963 he moved to Wilkes College (currently Wilkes University) as an associate professor of biology, becoming full professor in 1981 and an emeritus professor in 1986. During his tenure, he developed basic research in the development of tapewormhexacanth embryos. From 1980 on he also started to work on the biology of land planarians.[1]
In 1987 he began a series of publications in association with Dr. Masaharu Kawakatsu entitled the "Land Planarian Indices Series" where they reviewed the taxonomy of all land planarian species known at the time.[2]
He died in his sleep on 13 July 2005 while on vacation at the Chautauqua Institution, New York.
Selected worksedit
Ogren, Robert E. (1956). "Development and Morphology of the Oncosphere of Mesocestoides corti, a Tapeworm of Mammals". The Journal of Parasitology. 42 (4): 414–428. doi:10.2307/3274524. ISSN 0022-3395. JSTOR 3274524. PMID 13346431.
Ogren, Robert E. (1955). "Ecological Observations on the Occurrence of Rhynchodemus, a Terrestrial Turbellarian". Transactions of the American Microscopical Society. 74 (1): 54–60. doi:10.2307/3223842. ISSN 0003-0023. JSTOR 3223842.
Ogren, Robert E. (1956). "Physiological observations on movement and behavior of the land planarian Rhynchodemus sylvaticus (Leidy)". Proceedings of the Pennsylvania Academy of Science. 30: 218–225.
Ogren, Robert E. (1957). "Morphology and Development of Oncospheres of the Cestode Oochoristica symmetrica Baylis, 1927". The Journal of Parasitology. 43 (5): 505–520. doi:10.2307/3274469. ISSN 0022-3395. JSTOR 3274469. PMID 13476299.
Ogren, Robert E. (1957). "Developmental observations, the egg capsule and sexual maturity of the land planarian Rhynchodemus sylvaticus". Transactions of the American Microscopical Society. 76 (1): 42–57. doi:10.2307/3223919. JSTOR 3223919.
Ogren, Robert E. (1982). "The identification and reproductive apparatus of the land planarian, Microplana atrocyaneus (Walton) from Pennsylvania (Platyhelminthes: Turbellaria)". Proceedings of the Pennsylvania Academy of Science. 56: 39–43.
Ogren, Robert E. (1983). "Reproductive complex and sexual maturity of the land planarian, Rhynchodemus sylvaticus (Leidy) in the United States". Proceedings of the Pennsylvania Academy of Science. 57: 69–73.
Ogren, Robert E. (1984). "The Land Planarian Microplana terrestris (Platyhelminthes: Turbellaria) from the United States". Transactions of the American Microscopical Society. 103 (2): 130–136. doi:10.2307/3226235. JSTOR 3226235.
Ogren, Robert E. (1986). "Development of the reproductive apparatus of the land planarian Rhynchodemus sylvaticus (Turbellaria: Tricladida) and its significance for classification in the genus". Hydrobiologia. 132 (1): 175–180. doi:10.1007/BF00046245. ISSN 0018-8158. S2CID 25774248.
Ogren, Robert E.; Kawakatsu, Masaharu (1987). "Index to the species of the genus Bipalium (Turbellaria, Tricladida, Terricola)". The Bulletin of Fuji Women's College. Series 2. 25: 79–119.
Ogren, Robert E.; Kawakatsu, Masaharu (1988). "Index to the species of the family Rhynchodemidae (Turbellaria, Tricladida, Terricola) Part I: Rhynchodeminae". The Bulletin of Fuji Women's College. Series 2. 26: 39–91.
Ogren, Robert E.; Kawakatsu, Masaharu (1989). "Index to the species of the family Rhynchodemidae (Turbellaria, Tricladida, Terricola) Part II: Microplaninae". The Bulletin of Fuji Women's College. Series 2. 27: 53–111.
Ogren, Robert E. (1989). "Identification Features of the Two-Lined Land Planarian Rhynchodemus sylvaticus, with Evidence That Rhynchodemus americanus Is Conspecific". Transactions of the American Microscopical Society. 108 (1): 40–44. doi:10.2307/3226204. ISSN 0003-0023. JSTOR 3226204.
Ogren, Robert E.; Kawakatsu, Masaharu (1990). "Index to the species of the family Geoplanidae (Turbellaria, Tricladida, Terricola) Part I: Geoplaninae". The Bulletin of Fuji Women's College. Series 2. 28: 79–166.
Ogren, Robert E.; Kawakatsu, Masaharu (1991). "Index to the species of the family Geoplanidae (Turbellaria, Tricladida, Terricola) Part II: Caenoplaninae and Pelmatoplaninae". The Bulletin of Fuji Women's College. Series 2. 29: 35–58.
Ogren, Robert E. (1987). "Description of a New Three-Lined Land Planarian of the Genus Bipalium (Turbellaria: Tricladida) from Pennsylvania, U.S.A.". Transactions of the American Microscopical Society. 106 (1): 21–30. doi:10.2307/3226281. ISSN 0003-0023. JSTOR 3226281.
Ogren, Robert E.; Darlington, Julian T. (1991). "Geoplana arkalabamensis n. sp., a Land Planarian from the Southern United States (Turbellaria: Tricladida: Geoplanidae)". Transactions of the American Microscopical Society. 110 (3): 226–236. doi:10.2307/3226657. ISSN 0003-0023. JSTOR 3226657.
Ogren, Robert E. (1991). "Developmental sequence for the copulatory organs of Kontikia mexicana with remarks on taxonomic significance (Turbellaria: Tricladida: Geoplanidae)". Hydrobiologia. 227 (1): 139–144. doi:10.1007/BF00027593. ISSN 0018-8158. S2CID 37236077.
Ogren, Robert E. (1991). "Land Planarians from Ontario and Quebec, Canada". Transactions of the American Microscopical Society. 110 (1): 27–36. doi:10.2307/3226737. ISSN 0003-0023. JSTOR 3226737.
Oki, Iwashiro; Tamura, Sachiko; Ogren, Robert E.; Kawakatsu, Masaharu (1991). "Karyology of four land-planarian species of the genus Bipalium from Japan". Hydrobiologia. 227 (1): 163–167. doi:10.1007/BF00027597. ISSN 0018-8158. S2CID 12455334.
Ogren, Robert E. (1995). "Predation behaviour of land planarians". Hydrobiologia. 305 (1–3): 105–111. doi:10.1007/BF00036370. ISSN 0018-8158. S2CID 31413150.
^Kawakatsu, M. (2008) Short reminiscences of a Turbellariologist - At the occasion of his 79th birthday. Kawakatsus' Web Library on Planarians, 29 Jan 2008: 1-15.
April 12, 2024
robert, ogren, robert, edward, ogren, february, 1922, july, 2005, american, zoologist, born, 1922, february, 1922jamestown, yorkdiedjuly, 2005, 2005, aged, chautauqua, yorknationalityamericanscientific, careerfieldszoology, parasitology, helminthologyinstituti. Robert Edward Ogren February 9 1922 July 13 2005 was an American zoologist Robert E OgrenBorn 1922 02 09 February 9 1922Jamestown New YorkDiedJuly 13 2005 2005 07 13 aged 83 Chautauqua New YorkNationalityAmericanScientific careerFieldsZoology Parasitology HelminthologyInstitutionsWilkes UniversityAuthor abbrev zoology OgrenLife editOgren was born in 1922 in Jamestown New York son of David Paul and Mary Gladys born Ahlstrom Ogren While in secondary school he developed a strong interest in natural history and started to study microscopic biology at home 1 He earned a bachelor s degree in Zoology in 1947 from Wheaton College and a master s degree from Northwestern University in 1948 He married his wife Jean Blose Jackson on 28 August 1948 and their first son Paul Robert Ogren was born on 24 June 1949 1 In 1953 he received a Ph D degree in Zoology and Physiology from the University of Illinois His doctoral thesis was entitled Concepts of Early Tapeworm Development Derived From Comparative Embryology of Oncospheres 1 He began his academic career in 1953 as an assistant professor of biology at Ursinus College remaining until 1957 During this time he had his second son Philip Edward Ogren born in 1955 1 From 1957 to 1963 he worked also as an assistant professor of biology at Dickinson College acting as chairman of the biology department from 1959 to 1960 1 In 1963 he moved to Wilkes College currently Wilkes University as an associate professor of biology becoming full professor in 1981 and an emeritus professor in 1986 During his tenure he developed basic research in the development of tapeworm hexacanth embryos From 1980 on he also started to work on the biology of land planarians 1 In 1987 he began a series of publications in association with Dr Masaharu Kawakatsu entitled the Land Planarian Indices Series where they reviewed the taxonomy of all land planarian species known at the time 2 He died in his sleep on 13 July 2005 while on vacation at the Chautauqua Institution New York Selected works editOgren Robert E 1956 Development and Morphology of the Oncosphere of Mesocestoides corti a Tapeworm of Mammals The Journal of Parasitology 42 4 414 428 doi 10 2307 3274524 ISSN 0022 3395 JSTOR 3274524 PMID 13346431 Ogren Robert E 1955 Ecological Observations on the Occurrence of Rhynchodemus a Terrestrial Turbellarian Transactions of the American Microscopical Society 74 1 54 60 doi 10 2307 3223842 ISSN 0003 0023 JSTOR 3223842 Ogren Robert E 1956 Physiological observations on movement and behavior of the land planarian Rhynchodemus sylvaticus Leidy Proceedings of the Pennsylvania Academy of Science 30 218 225 Ogren Robert E 1957 Morphology and Development of Oncospheres of the Cestode Oochoristica symmetrica Baylis 1927 The Journal of Parasitology 43 5 505 520 doi 10 2307 3274469 ISSN 0022 3395 JSTOR 3274469 PMID 13476299 Ogren Robert E 1957 Developmental observations the egg capsule and sexual maturity of the land planarian Rhynchodemus sylvaticus Transactions of the American Microscopical Society 76 1 42 57 doi 10 2307 3223919 JSTOR 3223919 Ogren Robert E 1982 The identification and reproductive apparatus of the land planarian Microplana atrocyaneus Walton from Pennsylvania Platyhelminthes Turbellaria Proceedings of the Pennsylvania Academy of Science 56 39 43 Ogren Robert E 1983 Reproductive complex and sexual maturity of the land planarian Rhynchodemus sylvaticus Leidy in the United States Proceedings of the Pennsylvania Academy of Science 57 69 73 Ogren Robert E 1984 The Land Planarian Microplana terrestris Platyhelminthes Turbellaria from the United States Transactions of the American Microscopical Society 103 2 130 136 doi 10 2307 3226235 JSTOR 3226235 Ogren Robert E 1986 Development of the reproductive apparatus of the land planarian Rhynchodemus sylvaticus Turbellaria Tricladida and its significance for classification in the genus Hydrobiologia 132 1 175 180 doi 10 1007 BF00046245 ISSN 0018 8158 S2CID 25774248 Ogren Robert E Kawakatsu Masaharu 1987 Index to the species of the genus Bipalium Turbellaria Tricladida Terricola The Bulletin of Fuji Women s College Series 2 25 79 119 Ogren Robert E Kawakatsu Masaharu 1988 Index to the species of the family Rhynchodemidae Turbellaria Tricladida Terricola Part I Rhynchodeminae The Bulletin of Fuji Women s College Series 2 26 39 91 Ogren Robert E Kawakatsu Masaharu 1989 Index to the species of the family Rhynchodemidae Turbellaria Tricladida Terricola Part II Microplaninae The Bulletin of Fuji Women s College Series 2 27 53 111 Ogren Robert E 1989 Identification Features of the Two Lined Land Planarian Rhynchodemus sylvaticus with Evidence That Rhynchodemus americanus Is Conspecific Transactions of the American Microscopical Society 108 1 40 44 doi 10 2307 3226204 ISSN 0003 0023 JSTOR 3226204 Ogren Robert E Kawakatsu Masaharu 1990 Index to the species of the family Geoplanidae Turbellaria Tricladida Terricola Part I Geoplaninae The Bulletin of Fuji Women s College Series 2 28 79 166 Ogren Robert E Kawakatsu Masaharu 1991 Index to the species of the family Geoplanidae Turbellaria Tricladida Terricola Part II Caenoplaninae and Pelmatoplaninae The Bulletin of Fuji Women s College Series 2 29 35 58 Ogren Robert E 1987 Description of a New Three Lined Land Planarian of the Genus Bipalium Turbellaria Tricladida from Pennsylvania U S A Transactions of the American Microscopical Society 106 1 21 30 doi 10 2307 3226281 ISSN 0003 0023 JSTOR 3226281 Ogren Robert E Darlington Julian T 1991 Geoplana arkalabamensis n sp a Land Planarian from the Southern United States Turbellaria Tricladida Geoplanidae Transactions of the American Microscopical Society 110 3 226 236 doi 10 2307 3226657 ISSN 0003 0023 JSTOR 3226657 Ogren Robert E 1991 Developmental sequence for the copulatory organs of Kontikia mexicana with remarks on taxonomic significance Turbellaria Tricladida Geoplanidae Hydrobiologia 227 1 139 144 doi 10 1007 BF00027593 ISSN 0018 8158 S2CID 37236077 Ogren Robert E 1991 Land Planarians from Ontario and Quebec Canada Transactions of the American Microscopical Society 110 1 27 36 doi 10 2307 3226737 ISSN 0003 0023 JSTOR 3226737 Oki Iwashiro Tamura Sachiko Ogren Robert E Kawakatsu Masaharu 1991 Karyology of four land planarian species of the genus Bipalium from Japan Hydrobiologia 227 1 163 167 doi 10 1007 BF00027597 ISSN 0018 8158 S2CID 12455334 Ogren Robert E 1995 Predation behaviour of land planarians Hydrobiologia 305 1 3 105 111 doi 10 1007 BF00036370 ISSN 0018 8158 S2CID 31413150 References edit a b c d e f The Ogren Family Home Page self published source Kawakatsu M 2008 Short reminiscences of a Turbellariologist At the occasion of his 79th birthday Kawakatsus Web Library on Planarians 29 Jan 2008 1 15 Retrieved from https en wikipedia org w index php title Robert E Ogren amp oldid 1136204916, wikipedia, wiki, book, books, library,
