Morton H. Simons

C. R. Bergdahl

Bergdahl worked in the 200 West Area at Hanford during the Manhattan Project.

T. J. O’Donnell

T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Arthur “Art” S. Gurney

Rachel Gilbreath

Rachel Gilbreath was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.