National Museum of Nuclear Science & History
Gertrude Mitchell worked for the Roane-Anderson 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.
Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
DeRenzis worked in the United States Engineer District.
