National Museum of Nuclear Science & History
John Fancher worked for the Kellex Corporation at the K-25 Plant.
Leslie A. Ellerman served in the 603rd Air Engineering Squadron.
Walter R. Julek was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sylvia Warshaw was a Polish-American who worked as a research assistant in the chemistry division of the Chicago Met Lab.