National Museum of Nuclear Science & History
George Weisiger worked at Oak Ridge during the Manhattan Project, although it remains unknown what his specific duties were.
Bumpus worked at the 100-B Area at Hanford during the Manhattan Project.
Donald Flanders was an American mathematician who worked on the Manhattan Project at Los Alamos. Flanders was a group leader in the Theoretical Division headed by Hans Bethe.
Gilbert worked in the United States Engineer District Office.