M. R. Miller

Jack L. Callan

Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Charles J. Libby

Mary M. Wahl

Mary Wahl (1916-2007) was an American mathematician.  Wahl was born in Ottumwa, Iowa. She studied at the University of Iowa and Columbia University.

F. H. Stewart

F. H. Stewart served in the 509th Headquarters.