Katherine Meacham

E. S. Ryan, Jr.

E. S. Ryan, Jr. worked for the Poe Piping & Heating Company.

Ed Hammel

Edward F. “Ed” Hammel was an American chemist. Hammel had just completed his Ph.D. at Princeton University when he joined a Canadian heavy water project sponsored by the school in 1941.

Harris Small

Harris Small was stationed in Oak Ridge, Tennessee, in the Special Engineer Department (SED). He served as a supervising civilian operator of shifts (the Calutron girls) at the Y-12 Electromagnetic Separation Plant.

Everett Curry