Alexander M. Tuholsky

Elizabeth Davalos

Ed Helfenberger

Ed Helfenberger worked for the Roane-Anderson Company.

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.

Ruth M. Jackson