Leon E. Morse

Gilbert P. Mathis

Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.

C. V. Boyd

Angeline Sniegoski

Angeline Sniegoski was a staff worker at Los Alamos during the Manhattan Project.

Lyda Speck

Lyda Speck served in the Women’s Army Corps at Los Alamos during the Manhattan Project. She later remembered “how tight the security was.