National Museum of Nuclear Science & History
R. W. Engels worked at the 300 Area at Hanford during the Manhattan Project.
William J. Cotter served as a staff sergeant in the 393rd Bombardment Squadron. He was the radar operator regularly assigned to the B-29 Strange Cargo.
Louis Henry Hempelmann (1914-1993) was Director of the Health Group at the Los Alamos site of the Manhattan Project.
