National Museum of Nuclear Science & History
Frederick Rich worked for the Union Carbide & Carbon Corporation.
LaVerna C. McKenzie was a laboratory technician in the Health Division at the University of Chicago Met Lab.
John Mench was assigned to the Special Engineer Detachment at Los Alamos where he worked as a pattern maker, creating wooden casts for metal work at the site’s foundry.
Minnie (Heller) Steinberg was a junior biologist in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
