L. Papke

Helen Williams

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

P.J. Sineath Jr.

Sineath Jr. worked at the 200 East Area at Hanford during the Manhattan Project.

Jeannette Thomas

Jeannette Thomas was a staff worker at Los Alamos during the Manhattan Project.

J. M. Harrer