National Museum of Nuclear Science & History
E. G. Olsen worked for the United States Engineer District Office.
Graydon Whitman arrived at Oak Ridge in March 1944, where he began work at the Y-12 separations facility.
John O. Chatt served in the 509th Headquarters and Base Services Squadron.
Melvin S. Friedman was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
