National Museum of Nuclear Science & History
P. D. Simpson worked for the Poe Piping & Heating Company.
Richard Tasuhak was a staff worker at Los Alamos during the Manhattan Project.
Clyde R. Beecher served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Strange Cargo.
Robert Martens was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
D. V. Zehner worked for the Tennessee Eastman Corporation at the Y-12 Plant.