1958 Nobel Prize winners: (L-R) George Beadle, Edward Tatum (Physiology or Medicine), I. Tamm (Physics), F. Sanger (Chemistry), P. Cherenkov (Physics), I. Frank (Physics), Joshua Lederberg (Physiology or Medicine).
won Nobel in physiology or medicine in 1958 for work demonstrating the "one gene one protein" hypothesis. elegant experiment done with Edward Tatum. induced mutations that caused lack of vitamin B6 in red bread mold.