Warren J. Brahm

Kenneth Pumphrey

Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.

W. Mabrey

Hakon Rasmussen

Attended Drexel University.

Clarence Signaigo

Clarence Signaigo was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.