Joseph H. Lyford

Julius Sirota

Julius Sirota was an Americah chemist. He worked for the Substitute Alloy Materials on the Manhattan Project at Columbia University.

Charles E. Cook

Jake Seligman

Jake Seligman was a staff worker at Los Alamos during the Manhattan Project.

Morton David

Morton David was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.