Howard Orlebeke

Otto Hillig

Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.

T. A. Askew

H.F. Simpson

James Franck

James Franck (1882-1964) was a German physicist and winner of the 1925 Nobel Prize for Physics.   During the Manhattan Project, Franck served as Director of the Chemistry Division of the University of Chicago’s Metallurgical Laboratory.