National Museum of Nuclear Science & History
Carl Neumann worked for the United States Engineer District Office.
Jay Wechsler enlisted in the Army in 1943 and spent several months at Oak Ridge working as an Army construction engineer, In the winter of 1943, he was suddenly transferred to Los Alamos, where he began working directly with Otto Frisch.
Graf worked at the 300 Area at Hanford during the Manhattan Project.
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
