National Museum of Nuclear Science & History
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.
John DoLong was a guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Angell worked at the 100 F Area at Hanford during the Manhattan Project.
