Herman C. Murray

P. D. Coffey

Clarence Sproul

Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.

Richard Renner

Richard Renner arrived in Los Alamos shortly after being drafted into the Special Engineer Detachment in 1945, after the war had ended.

Sanford N. McDonnell

Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.