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.
Sandy M. Bingman served in the 603rd Air Engineering Squadron.
Heffner worked at the 200 East Area at Hanford during the Manhattan Project.
