B.I. Showker

E.L. Skinner

Skinner worked at the 300 Area at Hanford during the Manhattan Project.

Opal MacDonald

Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

M. B. Marshall

M. B. Marshall worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Ed Donohue