National Museum of Nuclear Science & History
Brown worked for Stone and Webster Engineering Corporation.
Tommey worked for Stone and Webster Engineering Corporation.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Seth I. Smith served in the First Ordnance Squadron.
Coogler worked at the Oak Ridge project site during the Manhattan Project as a member of the U.S. Army Corps of Engineers.
