National Museum of Nuclear Science & History
Mars worked for Stone and Webster Engineering Corporation.
J. C. Gleason worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Herbert M. Parker (1910-1984) was a British-American medical physicist. He worked at Chicago, Oak Ridge, and Hanford during the Manhattan Project, and is perhaps best known for inventing the rep (a precursor of the rad) and helping develop the rem to measure radiation dosage.
A. D. Jackson served in the 390th Air Service Group.
N.F. Bowman was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.