In a message dated 4/13/2006 9:11:31 P.M. Eastern Standard Time,  
[email protected] writes:

I  know it's still called the "Edison Effect",
but isn't the patent Thom's as  well?


That I do not know. I do know that Lee De Forest, the developer of the  
Audion, which was the first "practical" vacuum tube to see widespread  use, is 
considered by most early radio buffs to be the "father" of radio as we  know 
it, 
perhaps more so than Marconi, because the Audion brought  electrically 
amplified radio transmission, reception, and reproduction so  much closer to 
the 
masses.
 
Randy

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