Electrical Engineer and Inventor.
Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor with over 180 patents to his credit. De Forest invented the Audion, a vacuum tube that takes relatively weak electrical signals and amplifies them. De Forest is one of the fathers of the "electronic age", as the Audion helped to usher in the widespread use of electronics. He is also credited with one of the principal inventions that brought sound to motion pictures.
1.) James A. Hijiya (1992). Lee De Forest and the Fatherhood of Radio. Lehigh University Press. ISBN 978-0-934223-23-2. "In 1957, four years after urging Americans to go to church, he described himself as an agnostic."
2.) Mike Adams (2011). Lee de Forest: King of Radio, Television, and Film. Springer. p. 31. ISBN 978-1-4614-0417-0. "This was more than a gradual change, and it would cause de Forest to adopt of life of agnosticism, determinism, and Darwinism. He began to believe that he is the master of his destiny, that science can explain all, rather than a god or an unseen divine force. It was said about his philosophy that,“His position shifted gradually from the faith of his father to a rationalistic, scientific one.”"