Harry Hawes

Alan A. Jarrett

Alan A. Jarrett was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. R. Erickson

Arthur L. Hughes

Arthur L. Hughes was an British/Welsh physicist. He worked on the Manhattan Project in St. Louis on the cyclotron and plutonium production and at Los Alamos, NM.

E. O’Henry

E. O’Henry worked for the United States Engineer District Office.