D. G. Burdick

Jimmy Vale

Jimmy Vale joined the Manhattan Project in 1943, where he helped operate calutrons as part of Ernest O.

Harry Penninger

Henry Penninger served in the 393rd Bombardment Squadron.

E. V. Albrechtson

Ruth Hillard

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