National Museum of Nuclear Science & History
Ellsworth Risley was a staff worker at Los Alamos during the Manhattan Project.
James R. Womack served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Next Objective.
D. E. D'Armond worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Placzek was a Czech physicist. He was born in Brno, Moravia, which was then part of Austria-Hungary but today is in the Czech Republic.
