National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
J. H. Stanfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Steven Hailey worked for the Roane-Anderson Company.
Gale Young was a research associate in theoretical studies at the University of Chicago Met Lab. Before joining the Manhattan Project in 1942, Young taught mathematics and physics at Olivet College.
LaVerna C. McKenzie was a laboratory technician in the Health Division at the University of Chicago Met Lab.