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L. C. Dunn

From Wikipedia, the free encyclopedia
American geneticist (1893–1974)
L. C. Dunn
Born(1893-11-02)November 2, 1893
DiedMarch 19, 1974(1974-03-19) (aged 80)
EducationDartmouth College,Harvard University
Known forPrinciples of Genetics, studies ofDrosophila mutations
SpouseLouise Porter
ChildrenRobert Leslie Dunn,Stephen Porter Dunn
Scientific career
FieldsDevelopmental genetics
InstitutionsStorrs Agricultural Experiment Station,Columbia University

Leslie Clarence Dunn (November 2, 1893 inBuffalo, New York – March 19, 1974) was adevelopmental geneticist atColumbia University. His early work with the mouseT-locus and established ideas ofgene interaction,fertility factors, andallelic distribution.[1] Later work with othermodel organisms continued to contribute to developmental genetics.[1] Dunn was also an activist, helping fellow scientists seek asylum during World War II, and a critic ofeugenics movements.[1][2]

Biography

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Dunn was born inBuffalo, New York, in 1893, to Clarence Leslie Dunn and Mary Eliza Booth Dunn.[3] He earned a bachelor's degree fromDartmouth College in 1915.[3]

Dunn served in theHarvard Regiment in France duringWorld War I, and after the war, returned toHarvard University to complete his degree in 1920.[2] After the war, he identified as a pacifist.[2] He worked from 1920 to 1928 as a poultry geneticist at theStorrs Agricultural Experiment Station inConnecticut, publishing almost fifty papers during this time.[3]

Dunn, along with colleagueE. W. Sinnott, was the author of one of the foremost early genetics texts,Principles of Genetics (first published in 1925).[3]

In 1928 Dunn was invited to joinColumbia University as a full professor in the Zoology Department.[3] While there, he was renowned for his teaching, expanded his work somewhat intoDrosophila (discovering mutations includingMinute andBar),[4] and influenced numerous students, included "outstanding" developmental biologistsSalome Gluecksohn-Waelsch andDorothea Bennett,[4][3] and worked withAnn Chester Chandley.[5]

Dunn was married to Louise Porter, aSmith College graduate, and the couple had two children, Robert Leslie Dunn (b. 1921) and Stephen Porter Dunn (b. 1928).[2] Dunn and his family loved literature and poetry, as did Dunn's mother,[3] and established a press (Coalbin Press) to publish occasional volumes of poetry.[2] The younger son,Stephen, was asocial anthropologist and writer, publishing books such asThe Peasants of Central Russia (1967) andIntroduction to Soviet Ethnography (1974) (with his wife Ethel Deikman Dunn),Cultural Processes in the Baltic Area Under Soviet Rule (1966), and edited, translated, and taught.[2]

He died on March 19, 1974, atPhelps Memorial Hospital inNorth Tarrytown, New York.[6]

Significant papers and contributions

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  • Dunn, L.C. 1920. "Independent Genes in Mice",Genetics, v.5, pp. 344–361.
  • Dunn, L.C. 1920. "Linkage in mice and rats",Genetics, v.5, pp. 325–343. (Dunn's dissertation at Harvard)
  • Dunn, L.C. 1957. "Evidence of evolutionary forces leading to the spread of lethal genes in wild populations of house mice",Proc. Natl. Acad. Sci. USA v.43, pp. 158–163.
  • Dunn, L. C. 1959. "Heredity and Evolution in Human Populations", v.75, pp. 117–192.
  • Dunn, L.C. 1964. "Abnormalities associated with a chromosome region in the mouse",Science, v.144, pp. 260–263.
  • Dunn, L.C. and W.C. Morgan. 1952. "A mutable locus in wild populations of house mice",Am. Nat. v.86, pp. 321–323.
  • Dunn, L.C., H. Gruneberg, and G.D. Snell. 1940. "Report of the Committee on Mouse Genetics Nomenclature",J. Hered. v.31, pp. 505–506.
  • Dunn, L.C. 1951.Race and Biology: The Race Question in Modern Science (UNESCO, 1951; 3rd edition 1970)
  • Heredity, Race, and Society (1946; fourth edition 1972)
  • A Short History of Genetics (1965)
  • Organizer, withMilislav Demerec, TheCold Spring Harbor Symposia, 1940s-1950s

Awards and honors

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Notes

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  1. ^abcAmerican Philosophical Society (2000),"L. C. Dunn Biography".
  2. ^abcdefMelinda Gormley,"Geneticist L.C. Dunn: Politics, Activism, and Community"Archived 2014-12-16 at theWayback Machine (2006 dissertation,Oregon State University).
  3. ^abcdefgTheodosius Dobzhansky,Leslie Clarence Dunn, 1893-1974: A Biographical Memoir (National Academy of Sciences 1978)
  4. ^abBennett, Dorothea (1977)."L.C. Dunn and His Contribution to T-Locus Genetics".Annual Review of Genetics.11 (1).Annual Reviews:1–12.doi:10.1146/annurev.ge.11.120177.000245.ISSN 0066-4197.PMID 339812.
  5. ^Ferguson-Smith, Malcolm (1997-02-01)."Ann Chester Chandley DSc, FIBiol, FRSE A tribute and appreciation on the occasion of her retirement".Chromosome Research.5 (1):3–4.doi:10.1023/A:1018429016482.ISSN 1573-6849.PMID 9088637.S2CID 6550920.
  6. ^Alden Whitman (March 20, 1974)."Leslie C. Dunn, Geneticist, Dies. Fought Racial-Difference Ideas".New York Times. Retrieved2014-12-15.... one of the country's ranking geneticists and professor emeritus of biological sciences at Columbia University, died yesterday at Phelps Memorial Hospital, North Tarrytown, N. Y.

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