National Museum of Nuclear Science & History
Rosalyn Thomas was a staff worker at Los Alamos during the Manhattan Project.
Thomas was a group adjutant with the 509th Composite Group at their headquarters in Wendover, Utah and Tinian Island in the Pacific.
Hugh Barton was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.
