National Museum of Nuclear Science & History
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.
Robert Parks worked for the United States Engineer District Office.
Romero was a staff member at Los Alamos during the Manhattan Project.
J. R. Maddy worked for the United States Engineer District Office.
