Konrad T. Semrau

Gertrude Nissenbaum

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

R. H. Abrams

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

Mike Cohen

Mike Cohen worked for the A. S. Schulman Electric Company.

F. B. Barker