Arthur L. Johnson

Alfred O. Hanson

Alfred Hanson (1914-2005) was an American physicist. Alfred Hanson came to the Manhattan Project from the University of Wisconsin where he had recently completed his doctoral work, studying the Van de Graaf “long tank” accelerator.

Jas J. Petruzzi

Fred Cox Jr.

E. Peck

E. Peck worked for the Roane-Anderson Company.