H. L. Jewell

A. T. Helgerson

A. T. Helgerson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

J.F. Sally

Margaret Brown

Margaret Brown was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. C. Hamilton

Hamilton worked at the 200 West Area at Hanford during the Manhattan Project.