National Museum of Nuclear Science & History
Edward F. Kolley was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Brown worked in the United States Engineer District Office.
Charles Critchfield (1910-1994) was an American mathematical physicist. In December 1942, he was approached by J.
H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
