National Museum of Nuclear Science & History
Newton Stapleton was born in southern Georgia. He was a lawyer by training. Before the war, he worked for the FBI.
Harold Argo was a physicist. He worked at Los Alamos National Laboratory beginning in 1944. He was married to physicist Mary Argo.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.