National Museum of Nuclear Science & History
Hartman worked for Stone and Webster Engineering Corporation.
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.
Lyndon Richards served in the First Ordnance Squadron.
James Leslie Tuck was a British physicist and a member of the British Mission to Los Alamos during the Manhattan Project.
Attended the University of Maine.