National Museum of Nuclear Science & History
Piper worked for Stone and Webster Engineering Corporation.
John R. Leary Jr. was an American chemical engineer. He worked as a Shift Supervisor at the X-10 Plant, and as a research chemist in Building 205, at Oak Ridge.
J. C. Ridenour worked for the Roane-Anderson Company.
Rachel Gilbreath was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
