National Museum of Nuclear Science & History
Hull worked at the K-25 plant at Oak Ridge during the Manhattan Project. He was also a member of the K-25 basketball team.
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.
Ralph Nelson was a staff worker at Los Alamos during the Manhattan Project.
Robert F. Heath served in the 393rd Bombardment Squadron.
H. Phillipsborn worked for the United States Engineer District Office.