National Museum of Nuclear Science & History
Howard R. Kratz (1916-2013) was a nuclear physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William Stewart was an engineer in the Special Engineering Detachment at Los Alamos, New Mexico. Specifically, Stewart worked in “Project Trinity” under the leadership of George Kistiakowsky and Kenneth Bainbridge.
John Venerable was a guard at the Chicago Met Lab during the Manhattan Project.