National Museum of Nuclear Science & History
L. Mayer worked for the Watson-Flagg Engineering Company.
Robert Keen enlisted in the military on December 28, 1944 and began his training for the U.S. Army Corps of Engineers in January of 1945.
Okey B. Ellison was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Howard A. Fleischman served in the 390th Air Service Group.