R.T. Jessen

Minnie M. Daniels

Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Allen C. Hirtle

Alfred E. Bilbrey

B. O. Yeldell

B. O. Yeldell worked for the Edenfield Electric Company.