Edward Tatum

Edward Lawrie Tatum was an American geneticist. He shared half of the Nobel Prize in Physiology or Medicine in 1958 with George Beadle for showing that genes control individual steps in metabolism. The other half of that year's award went to Joshua Lederberg. Tatum was an elected member of the United States National Academy of Sciences, the American Philosophical Society, and the American Academy of Arts and Sciences.