National Museum of Nuclear Science & History
R. H. Martin worked for the United States Engineer District Office.
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
Watkins worked at the 300 Area at Hanford during the Manhattan Project.
George Miller was a research assistant at the University of Chicago Met Lab. He was present when Chicago Pile-1 went critical on December 2, 1942.