Henry McDonald, Jr.

P. Laskowski

T. A. McKenzie

T. A. McKenzie worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Melvin A. Miller

Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.

William E. Adams

William E. Adams was a staff worker at Los Alamos during the Manhattan Project.