National Museum of Nuclear Science & History
George Kehl was a metallurgist and professor at Columbia University’s School of Mines. He worked at Los Alamos on the Manhattan Project.
Cunningham worked in the United States Engineer District Office.
J. G. Ayre worked for the J.A. Jones Construction Company.
Winston Grice was a millwright at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
