Elbert B. Smith

Arthur R. Weisberg

Arthur Weisberg was a mechanical engineer with the Special Engineer Detachment assigned to the Metallurgical Lab at the University of Chicago.

E.M. Rhein

L. E. Burhart

L. E. Burhart worked for the Tennessee Eastman Corporation at the Y-12 Plant.

John F. Curtin

Curtin worked in the United States Engineer District Office.