Arthur L. Johnson

L. Williams

Janice E. Kingslow

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

R. A. Smith

R. A. Smith worked for the H. K. Ferguson Company.

Katharine Way

Katharine “Kay” Way (1903-1995) was an American physicist and one of the Manhattan Project’s leading female scientists.