National Museum of Nuclear Science & History
M. F. Welch worked for the United States Engineer District Office.
Clapp worked at the 300 Area at Hanford during the Manhattan Project.
Paul Metro was a member of the 393rd Bomb Squadron in the 509th Composite Group stationed in Wendover, Utah and on Tinian Island in the Pacific.
Paul W. Levy was an American physicist. After receiving his undergraduate degree from the University of Chicago in 1943, Levy joined the Manhattan Project at the University’s Metallurgical Laboratory.
