National Museum of Nuclear Science & History
Graf worked at the 300 Area at Hanford during the Manhattan Project.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. M. Wallace worked for the J.A. Jones Construction Company.
Thomas was a group adjutant with the 509th Composite Group at their headquarters in Wendover, Utah and Tinian Island in the Pacific.
