National Museum of Nuclear Science & History
Lawrence Thomas Abraham was a contractor who served as the construction superintendent at Los Alamos during the Manhattan Project.
John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.
Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.
Wright Langham was an American biochemist and one of the foremost experts on plutonium. After completing his Ph.
