Cornell University's Department of Plant Breeding, in around 1929 or 1930. The group includes faculty, staff, students, and other researchers. Those who have been identified include the middle three in the back row (left to right): Professor of Botany Lowell Fitz Randolph (1894-1980), Professor of Plant Breeding Rollins Adams Emerson (1873-1947), and US geneticist George Beadle (1903-1989). Beadle was working as a teaching assistant at Cornell. His later work in genetics led to him being awarded half the 1958 Nobel Prize in Physiology or Medicine. In the front row, US geneticist Marcus Rhoades (1903-1991) is fifth from right. Photographed at Cornell University, Ithaca, New York State, USA.