Theodore A. Kupinski

P.J. Sineath Jr.

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

Eleanor Sesko

Leslie G. Ritner

Leslie Ritner was a member of the Special Engineer Detachment at Los Alamos. He was among the first engineers sent to Los Alamos from Camp Claiborne, Louisiana in late January 1944, serving for two years before being discharged in the spring of 1946.

Fredrika Lewis

Fredrika Lewis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.