National Museum of Nuclear Science & History
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.
H. C. Elliott worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jones worked at the 200 West Area at Hanford during the Manhattan Project.
Prisda Rosen was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.