National Museum of Nuclear Science & History
Forrest Harmon worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Herbert graduated from Cooper Union College. He held a BS in mechanical engineering and an MS in electrical engineering.
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.