National Museum of Nuclear Science & History
T. A. LaRoe worked for the United States Engineer District Office.
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.
Richard A. Bice was an engineer. He joined the Manhattan Project at Los Alamos in 1944, rising to become the alternate Group Leader in X-Division.