National Museum of Nuclear Science & History
J. E. Sampson worked for the United States Engineer District Office.
Miles worked in the 100 D Area at Hanford during the Manhattan Project.
Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.
Robert Holmberg was born in Fort Dodge, Iowa, and began working on the Manhattan Project at the Chicago Met Lab and at Ames Laboratory in Iowa.
