National Museum of Nuclear Science & History
Friedrich worked in the United States Engineer District Office.
Robert Lyle was a member of the Special Engineering Detachment assigned to Oak Ridge, Tennessee as a chemist.
Gloria A. Larranaga was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”0 during the Manhattan Project.
John Arthur "Jack" Robinson was a machinist and instrument maker at the Clinton Engineering Works in Oak Ridge, Tennesse in 1943.