L. M. Gragert

Marcia W. Wooster

Marcia W. Wooster was a lab technician in the health division at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

E. W. Smith

E. W. Smith worked for the Union Carbide & Carbon Corporation.

Birdie M. Baker

H. J. Mack

H. J. Mack worked for the Edenfield Electric Company.