M. M. Workman

Irl G. Schoonover

Irl Schoonover was a staff worker at Los Alamos during the Manhattan Project.

Frank Mackie

Born in 1903 in Baltimore, Mackie studied civil engineering at Union College in Schenectady, New York.

Philip Grant Koontz

Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E.A. Smith