Bernard Steinberg

John L. Bray

John Bray worked for the Tennessee Eastman Corporation at the Y-12 Plant.

R. G. Kramer

R. S. Wangelin

Wangelin worked at the 200 East and 200 West Areas at Hanford during the Manhattan Project. 

Otto Frisch

Otto Frisch (1904-1979) was an Austrian-born physicist.  Frisch joined the Manhattan Project in 1943, but his most important contribution to the project came in 1940 in England.