National Museum of Nuclear Science & History
J. O'Conner worked for the Midwest Piping and Supply Company.
Evelyn O. Gaston was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. O. Carpenter worked for the Roane-Anderson Company.
Jones worked at the 200 West Area at Hanford during the Manhattan Project.