National Museum of Nuclear Science & History
John Kennedy worked for the United States Engineer District Office.
Lloyd J. Williams was a staff worker at Los Alamos during the Manhattan Project.
E. A. McCaskill worked for the United States Engineer District Office.
Lee W. Trybell worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Grace R. Harvey was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
