National Museum of Nuclear Science & History
Andrew Walker was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Attended Pennsylvania State University.
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.
George W. Ellis served in the 1st Ordnance Squadron.