Rex Leuze

Marietta C. Moore

Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.

J. R. McClellan

J. R. McClellan worked for the Roane-Anderson Company.

Gioacchino Failla

Gioacchino Failla was an Italian-American physicist who served as a consultant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Frank C. DiLuzio