Richard K. Walters

Joseph H. Heartberg

Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Edith A. Wright

Edith Wright was a member of the computing personnel that did hand calculations in the T-5 group at Los Alamos during the Manhattan Project.

J. G. Gabbard

Wilbur F. Ruhlow