P. M. Walker

Charles L. Cofer

Cofer worked in the United States Engineer District Office.

H. F. Koch

H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Waldo F. Christy

Waldo F. Christy was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

O. A. Anderson