Robert Alvarez

Gilbert Plass

Gilbert Plass was a Canadian physicist. Plass was born in 1922 in Toronto. He received a B.S. in physics from Harvard University before being hired to work on the Manhattan Project at the Chicago Met Lab, where he worked as an associate physicist.

Arnold E. Sleipnes

Arnold E. Sleipnes served as a techical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.

A. M. Houston

E. S. Steinbach

Steinbach worked for Stone and Webster Engineering Corporation.