National Museum of Nuclear Science & History
Hart worked at the 300 Area at Hanford during the Manhattan Project.
Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.
Felix DePaula was born in Brooklyn, New York on June 3, 1926. He was drafted into the U.S. Army in 1944, and placed in the Army Corps of Engineers.
