National Museum of Nuclear Science & History
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
Gerry Pawlicki was an American physicist. Pawlicki was born in 1921. He received a B.S. in physics at De Paul University in Chicago, and soon after was hired to work on the Manhattan Project at the Chicago Met Lab as a member of the instruments division.
Bradley worked in the United States Engineer District Office.
