National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Attended Wayne University.
Cox worked at the 100-B Area at Hanford during the Manhattan Project.
Leon D. Smith joined the Manhattan Project in 1944 and was assigned to the 509th Composite Group at Wendover Airfield in Utah.
