Alfred Hershey was a phage geneticist who, with his research assistant, Martha Chase, did one of the most famous experiments in molecular biology. The "blender" experiment proved that DNA carried genetic information.
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).
Har Gobind Khorana, Marshall Nirenberg, and Robert Holley shared the 1968 Nobel Prize for Physiology and Medicine. Nirenberg and Khorana cracked the genetic code. Holley sequenced and deduced the structure of the first tRNA molecule.