It wasn't an American,but Italian inventor Guglielmo Marconi in 1895
Dick Orkin
Christine Coyle as Grandma
importance of voice modulation in radio
Owen Wilson does the first part of the ad, followed by Richard Petty.
Yes. He was the first person to make ANY kind of audio transmission.
the first to patent the wireless telegraph was Marconi. his system used spark gap transmitters and coherer detectors. it was not until effective vacuum tubes were invented that voice could be sent on radio.
Dick Orkin
1957 by David Warren
"The first practical sound recording and reproduction device was the mechanical phonograph cylinder, invented by Thomas Edison in 1877 and patented in 1878" - from the wikipedia page on sound recording
The first US president who was heard on the radio was Warren. G. Harding. The first one to make an entire radio broadcast from the White House was Calvin Coolidge.
Ormond Raby has written: 'Radio's first voice'
Christine Coyle as Grandma
importance of voice modulation in radio
Ludacris
Dick Orton of the Radio Ranch does the voice of Dicky. I'm not sure about Grandma.
Owen Wilson does the first part of the ad, followed by Richard Petty.
Although the name of Marconi is generally associated with the first long distance radio transmission his first and subsequent transmissions were all made using Morse Code. This was referred to as radio-telegraphy. Not many people remember, or even know of the Canadian inventor, REGINALD FESSENDEN who was the pioneer of radio broadcasting or radio-telephony, where voice is broadcast directly, rather that=n Morse Code or "data". more info found on CENTENARY OF READIO TELEPHONY Credits to: Australian Government IPS Radio and Space Services hope this helps