National Museum of Nuclear Science & History
M. R. Pierce worked for the Kellex Corporation at the K-25 Plant.
E.J. Reagan joined Mound Laboratory in August 1948, where he worked as a doctor. He was responsible for monitoring the health and safety of Mound's employees, and he remained there until he retired in 1988.
Edward K. Buckley served as a staff sergeant in the 393rd Bombardment Squadron. He was the radar operator aboard the Great Artiste during the Hiroshima mission.
William P. Jesse was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.