March 12, 1923: Talkies Talk ... on Their Own | WIRED
Lee De Forest and the Fatherhood of Radio: Hijiya, James A.: 9781611460216: Amazon.com: Books
Lee De Forest, Pioneer Broadcaster - Radio World
First Radio Station — Heartland Science
Lee de Forest: King of Radio, Television and Film | Metro Silicon Valley | Silicon Valley's Leading Weekly
Lee de Forest - Wikipedia
Radio Inventions of Lee de Forest, January 1947 Radio-Craft - RF Cafe
The man who invented radio | Old Yale | Yale Alumni Magazine
First Radio Station — Heartland Science
The Triode is 100 Years Old This Year | Nuts & Volts Magazine
NIHF Inductee Lee de Forest Invented the Audio Amplifier
Listen to Lee de Forest on His Contribution to Radio | HISTORY Channel
Lee De Forest (1873-1961), American radio pioneer, holding the triode valve, or Audion tube, that he invented. De Forest studied at Yale, gaining his Stock Photo - Alamy
Lee de Forest: Radio, Television, Film Sound, and Music Re… | Flickr
Lee De Forest - Magnet Academy
Broadcasting - As I Imagined It..., February 1939 Radio-Craft - RF Cafe
Lee de Forest | American inventor | Britannica
Lee de Forest - Wikipedia
File:De Forest RJ6 Audion radio receiver.jpg - Wikimedia Commons
Lee de Forest stock image | Look and Learn
Lee de Forest (American Inventor) ~ Bio Wiki | Photos | Videos
Lee de Forest | American inventor | Britannica
LEE DE FOREST Inventor Father of Radio 1907 Photo GROLIER STORY OF AMERICA CARD | eBay
