National Museum of Nuclear Science & History
H. L. Roland worked for the Midwest Piping and Supply Company.
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.
Ivan H. Stewart served in the 393rd Bombardment Squadron.
Arthur B. Ziegler served in the 1395th Military Police Aviation.
