National Museum of Nuclear Science & History
Laura A. Marshall was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Joseph Gilbert “Joe” Hamilton (1907-1957) was a physician who directed biomedical research at the Berkeley site of the Manhattan Project.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.