B. Chadwick

Myrtle E. Karcher

Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Ralph W. Bane

Ralph Bane was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

J. A. Swarthout

H. G. Thompson

Thompson worked for Stone and Webster Engineering Corporation.