National Museum of Nuclear Science & History
Frei worked for Stone and Webster Engineering Corporation.
Irving Bubos was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
M. K. Walker worked for the Fercleve Corporation.
Larue Tinsley served in the Army at Los Alamos during the Manhattan Project.
Bob Reid worked for the H. K. Ferguson Company.
