John E. Mikkali

Estelle B. Lucas

Estelle B. Lucas was a laboratory assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Vaughn H. Stokes

Robert Donald Keen

Robert Keen enlisted in the military on December 28, 1944 and began his training for the U.S. Army Corps of Engineers in January of 1945.

R. L. Helgeson

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