Edwin P. Uslak

M. H. Burleson

I. Rosenbaum

D. J. Mahegan

D. J. Mahegan worked for the Union Carbide & Carbon Corporation.

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.