Zelmar Barson

M. A. Obermeyer

M. A. Obermeyer worked for the J.A. Jones Construction Company.

Jas J. McCarthy

Jas McCarthy worked for the Kellex Corporation at the K-25 Plant.

Roger Lisher

K. Langosch

K. Langosch worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.