W. R. Takala

James E. Barton

James Barton worked as a carpenter for the DuPont Company at the Hanford, Washington site. He never knew he was working on the atomic bomb until after it was dropped in Japan.

Jay Hitchcock

Jay Hitchcock worked in the Shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Marion Mandel

Marion Mandel was a laboratory technician in the Health Division at the University of Chicago Met Lab.

L. H. Davis