National Museum of Nuclear Science & History
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.
Leola Reitz was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
