National Museum of Nuclear Science & History
W. O. Robertson 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.
Esther (Green) Floth worked as a secretary for General Leslie Groves during the Manhattan Project in Washington, DC.