National Museum of Nuclear Science & History
R. F. King worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alvina Petrus was a stenographer and clerical worker at the Chicago Met Lab.
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.