Seymour Stanley Cohen (April 30, 1917-December 30, 2018) was an American biochemist. Cohen was born in

Brooklyn Brooklyn () is a borough of New York City, coextensive with Kings County, in the U.S. state of New York. Kings County is the most populous county in the State of New York, and the second-most densely populated county in the United States, be ...

, New York in April 1917. He attended City College of New York and his PhD came from

Columbia University Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manhatt ...

under the supervision of

Erwin Chargaff Erwin Chargaff (11 August 1905 – 20 June 2002) was an Austro-Hungarian-born American biochemist, writer, Bucovinian Jew who emigrated to the United States during the Nazi era, and professor of biochemistry at Columbia University medical schoo ...

. In the 1940s he worked on plant viruses and for the Rockefeller Institute. He was awarded a Guggenheim Fellowship in 1945.Guggenheim Fellowship page
/ref> He is known by his studies with marked of radioactive isotopes, whose results suggested an essential role of DNA in hereditary genetic material. This result would be checked in 1952 by Hershey and Chase.Dr. Seymour S. Cohen obituary
/ref>

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* * * * * * ; Tertiary sources * * 1917 births 2018 deaths American biochemists American centenarians Columbia University alumni Members of the United States National Academy of Sciences Men centenarians People from Brooklyn Scientists from New York City Stony Brook University faculty University of Colorado Boulder faculty University of Pennsylvania faculty Members of the National Academy of Medicine {{US-chemist-stub