National Museum of Nuclear Science & History
Jas Rose 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.
B. L. Brown worked for the Fercleve Corporation.
Lewin worked in the 100 D Area at Hanford during the Manhattan Project.
Joseph Mullaney was a staff worker at Los Alamos during the Manhattan Project.