National Museum of Nuclear Science & History
W. H. McEachern worked for the Fercleve Corporation.
William “Willie” H. Zachariasen was a physicist and consultant at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
W. Stephens worked for the Roane-Anderson Company.
Helene Stark was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
