National Museum of Nuclear Science & History
M. K. Walker worked for the Fercleve Corporation.
John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
John von Neumann was a Hungarian-American mathematician, physicist, and polymath. A child prodigy, by the age of eight he was familiar with calculus and knew Ancient Greek.
