Rodolfo Martinez

M.W. Riser

Riser worked at the 200 West Area at Hanford during the Manhattan Project.

David J. George

George worked in the United States Engineer District Office.

K. J. Parchen

H.A. Fettinger

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