Earl J. Blakney

Cloyd Marvin

Cloyd Marvin had been drafted into the Army, interrupting his education at Haverford University, in 1943 and joined the Special Engineer Detachment as a technician third grade, later being assigned to Los Alamos National Labs in 1947.

C. E. Winters

C. E. Winters worked for the United States Engineer District Office.

Claude E. Hall

Philipp H. Klein

Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.