n.United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961)
The name of Lee De Forest became part of broadcasting history.
VOA: special.2010.01.31
An American inventor,Lee De Forest, produced that broadcast.
VOA: special.2010.01.31
But he assembles strong scientific and anecdotal evidence that the way brains work has been altered with every new medium introduced, from Johannes Gutenberg's printing press to LeeDe Forest's audion, and that the Internet may be the most effective mind-mutating technology of all time.