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Franklin Stahl
Franklin (Frank) William Stahl (born October 8, 1929) is an American molecular biologist and geneticist. With Matthew Meselson, Stahl conducted the famous Meselson-Stahl experiment showing that DNA is replicated by a semiconservative mechanism, meaning that each strand of the DNA serves as a template for production of a new strand.
He is Emeritus Professor of Biology〔(http://www.molbio.uoregon.edu/facres/stahl.html )〕 at the University of Oregon's Institute of Molecular Biology in Eugene, Oregon.
==Career==
Stahl, like his two older sisters, graduated from the public schools of Needham, a Boston suburb. In 1951, he was awarded an AB degree in biology from Harvard College, and matriculated in the biology department of the University of Rochester. His interest in genetics was cemented in 1952 by his introduction to bacterial viruses (phages) in a course taught by A. H. (Gus) Doermann at the Cold Spring Harbor Biological Laboratory. In 1956, he received a PhD in biology for his work with Doermann on the genetics of T4 phage. In 1955, he undertook postdoctoral studies with Giuseppe Bertani (in the Phage group) at Caltech (Pasadena) with the aim of learning some bacterial genetics. He subsequently turned his attentions to collaborations with Charley Steinberg and Matt Meselson. With Steinberg, he undertook mathematical analyses of T4 growth, mutation, and genetic recombination. With Meselson, he studied DNA replication in ''Escherichia coli''. That study produced strong support for the semiconservative model proposed by Jim Watson and Francis Crick.〔
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