National Museum of Nuclear Science & History
John Horan worked for the United States Engineer District Office.
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.
K. M. Fatley worked for the J.A. Jones Construction Company.
Lower worked in the 200 W Area at Hanford during the Manhattan Project.
