National Museum of Nuclear Science & History
Cleary worked for Stone and Webster Engineering Corporation.
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.
John Ryan was a staff worker at Los Alamos during the Manhattan Project.
H. W. Scott worked for the Tennessee Eastman Corporation at the Y-12 Plant.