P. S. Vincent

N. V. Smith

Walter Groeger

Walter Groeger worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

K. G. Frese

K. G. Frese worked for the Tennessee Eastman Corporation at the Y-12 Plant.

L. Kendrick

L. Hendrick worked for the Roane-Anderson Company.