BIOGRAPHICAL MEMOIRS National Academy of Sciences Photo by Henry Jones Alfred Day Hershey December 4, 1908 May 22, 1997 By Franklin W. Stahl MOST STUDENTS OF BIOLOGY know of Hershey--his best known experiment is described in texts of both biology and genetics. This work (1952, 1) provided cogent support for the hypothesis that DNA is the conveyor of genetic information. The Hershey-Chase ...