Orpha L. Clark

Arthur Buck

Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.

G. R. Straley

Richard F. Recker

Richard Recker served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.

W.E. Jorgensen

Jorgensen worked at the 300 Area at Hanford during the Manhattan Project.