Lee de Forest

Lee de Forest was an American inventor and a fundamentally important early pioneer in electronics. He invented the first practical electronic amplifier, the three-element "Audion" triode vacuum tube in 1906. This helped start the Electronic Age, and enabled the development of the electronic oscillator. These made radio broadcasting and long distance telephone lines possible, and led to the development of talking motion pictures, among countless other applications.

26 August 1873

Born on the same birth day (26 August): Frederick V of the Palatinate • Félix Porteiro • Mattia Cassani • Michael Jeter • Morgan Ensberg

Born in the same month (August 1873): Alexander Bogdanov • Eliel Saarinen • Fred Stone • John A. Sampson • Ramaprasad Chanda