Cyrus Feldman

George P. Sibulski

George P. Sibulski served in the 603rd Air Engineering Squadron.

Annie Hawkins

Rachel Gilbreath

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

Ambroso Hoelscher

Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.