Irvin Winsch

Jack H. Ruder

Stanley Stewart

Stanley Stewart was the Contracting Officer at Los Alamos during the Manhattan Project. After the bombings of Hiroshima and Nagasaki, Stewart wrote, “The security restrictions on our part of the work [at Los Alamos] have been more rigid than than on any other portion of the entire Manhattan Project.

M. Lucille Cooley

Lucille Cooley worked for the Union Carbide & Carbon Corporation.

Betty Carlson

Betty L. Carlson was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.