National Museum of Nuclear Science & History
Chellis worked for Stone and Webster Engineering Corporation.
Howard Lange was the Curator in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. Davis worked for the J.A. Jones Construction Company.
Leroy Jackson was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.
