Jacob Perez

Fred Chiaz

Mary M. Fair

Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.

Sidney Kuniansky

Kuniansky worked in the 100 D Area at Hanford during the Manhattan Project.

Lillian Guadagna

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