Mac Bielecki

John H. Roedel

John Roedel worked for the Fercleve Corporation.

John H. Manley

John Henry Manley (1907-1990) was an American physicist. Manley worked on the Manhattan Project almost from its beginning, starting at the Metallurgical Lab at the University of Chicago.

Otho Carter

George Francis McEwen

​George Francis McEwen was born on June 16, 1882 in Manchester, Iowa. He attended Iowa State College.