William L. Bradshaw

H. T. Wensel

H. T. Wensel worked for the United States Engineer District Office.

Eugenia M. Jackson

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

Melba (Johnston) Robson

Melba (Johnston) Robson was a biomedical technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Martin J. Morrison