Chester S. Krajczynski

Lawrence O’Rourke

Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.

George J. Feldman

George Feldman worked for the Roane-Anderson Company.

Vincent J. Neary

Richard Watts

Richard Watts was a research assistant at the Chicago Met Lab and at Los Alamos during the Manhattan Project.