T. Downs

Leo V. Welch

Welch worked at the 200 West Area at Hanford during the Manhattan Project. 

J. B. Rice

J. B. Rice worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Hugh T. Richards

Hugh T. Richards was an American physicist.  He worked on neutron measurements for the atomic bombs at Los Alamos during the Manhattan Project.

J. W. Healy