National Museum of Nuclear Science & History
J. E. Sampson worked for the United States Engineer District Office.
Wilbur G. Scott served in the 603rd Air Engineering Squadron.
Ratterman worked at the 200 East area at Hanford during the Manhattan Project.
Walter Zinn (1906-2000) was a Canadian-American nuclear physicist. Zinn was born in Kitchener, Ontario, in 1906 and graduated from Queens University in 1927.
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
