Edward W. Powell

J. L. Hawkins

George M. Walker

Walker worked at the 100-D Area at Hanford during the Manhattan Project. 

George Mallinckrodt

George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).

J. R. Henson

J. R. Henson worked for Clinton Laboratories at the X-10 Reactor.