Herbert M. Okun

Iris Y. Bell

Esequiel Salazar

Esequiel “Zeke” Salazar began working at Los Alamos during the Manhattan Project. His first jobs were as a carpenter and a rod-man assisting surveyors for the Robert E.

Oswald Greager

Before the war Oswald Greager was a high-ranking DuPont chemist. He took leave from DuPont in 1942 to join the Army's Chemical Warfare Service.

Harvey Walker, Jr.