E. W. Groll

H. C. Mountford

H.A. Fettinger

H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Carl W. Chace

Donald F. Mastick

Donald Francis Mastick was an American chemist who worked at Los Alamos and on Tinian as part of Project Alberta.