Richard S. Guenther

J. W. Clinehens

H. E. Berg

John S. Hodgson

John Hodgson worked for the United States Engineer District Office.

Robert F. Christy

Robert F. Christy (1916-2012) was a Canadian-American theoretical physicist Christy’s doctoral advisor at the University of California, Berkeley was Robert Oppenheimer, but Christy’s initial involvement with the Manhattan Project came at the Metallurgical Lab at the University of Chicago.