National Museum of Nuclear Science & History
John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.
Marvin Smith worked for Clinton Laboratories at the X-10 Reactor.
W. E. Murray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Roscoe Charles Wilson was a United States Army Air Forces Officer. At the rank of Colonel he was the overall Project Office to the Manhattan Engineering District from June 1943 to December 1944.
