National Museum of Nuclear Science & History
Baldwin Sawyer is an American metallurgist. After graduating from Yale with a B.S. in Physics in 1943, Sawyer joined the Manhattan Project at the University of Chicago.
Burr H. Ritter was a chemical engineer at the Hooker Chemical Company in Niagara Falls, New York during the Manhattan Project.
Virginia Lipscomb worked for the Edenfield Electric Company.
Grace Hulbert Wilson Groves is the wife of General Leslie R. Groves. The pair was married in 1922 and together they had two children, Richard and Gwen.