Howard Rosenthal

William B. Kadow

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.

E. N. Stirewalt

E. N. Stirewalt worked for the United States Engineer District Office.

George Koval

George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.