James J. Urban

H.L. Stanley

Stanley worked at the 300 Area at Hanford during the Manhattan Project.

Marvin Tetenbaum

Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

H. D. Collins

H. D. Collins worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Melbourne V. Hamma