Abraham P. Loeb

Clarence Sproul

Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.

E. D. Harlan

Augustus B. Kinzel

Augustus “Gus” Kinzel was an American metallurgical engineer. He graduated at age eighteen from Columbia College, and earned a PhD in metallurgical engineering from the University of Nancy in France.

N. W. Hope

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