Harry A. Horton

Alfred T. Engstrom

Melvin S. Friedman

Melvin S. Friedman was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. W. Harrison

Harrison worked at the 100-B Area at Hanford during the Manhattan Project.

H. C. Elliott

H. C. Elliott worked for the Tennessee Eastman Corporation at the Y-12 Plant.