National Museum of Nuclear Science & History
Attended the University of Wisconsin.
Williamson worked at the 300 Area at Hanford during the Manhattan Project.
Ben Benjamin was a sergeant in the Special Engineer Detachment during the Manhattan Project. He had previously worked in industry making lenses and prisms, and was assigned to the Optics Group to help with photographing the Trinity Test.
Attended the California Institute of Technology.
Kenneth E. Berry served in the 1st Ordnance Squadron.