C. O. Mathany

H. C. Hall

Cardea Hubbard

Cardea Hubbard was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. Ellerbroek

Ellerbroek worked for Stone and Webster Engineering Corporation.

H. G. Arnett

H. G. Arnett worked for the Roane-Anderson Company.