John L. Ruscio

Lawrence Glendenin

Lawrence Glendenin was a research assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Marion W. Bowen

John D. Crimmons, Jr.

Marjorie L. Richmond

Marjorie Richmond was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.