National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
Helen Pellock (1926-1957) was a technician in the Chemistry Division of the Chicago Met Lab, working under Glenn Seaborg.
H.A. Deitrick worked at the 100-F Area at Hanford during the Manhattan Project.
Joseph G. Shaller served in the 393rd Bombardment Squadron.
J. T. Sevier worked for the Tennessee Eastman Corporation at the Y-12 Plant.