Ted C. Irwin

Ralph C. Smith

Richard Emanatian

Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.

J. Powell

J. Powell worked for the Union Carbide & Carbon Corporation.

Gavin Hadden

Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.