Walter Roth

Richard Baker

Dr. Richard Baker worked at the Ames Laboratory before transferring to Los Alamos. Considered the father of plutonium chemistry, Baker had a long career at the Los Alamos National Laboratory.

Helen Williams

Helen Williams was a stenographer and clerk at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

L. M. Castleberry

John R. Klein

John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos.