R. F. Robertson

P. T. Barnum

J. R. Coe

Coe worked in the United States Engineer District Office.

Helen R. Hughes

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

C. E. Brisco

Brisco worked at the 300 Area at Hanford during the Manhattan Project.