1. Audio History Timeline
By: William Gray Davis

2. 1876
The first microphone ever made, which was a telephone transmitter invented by Emile Berliner, and it was made for Alexander Graham Bell.(inventers.about.com)

3. 1876
The first telephone was invented by Alexander Graham Bell. (inventors.about.com)

4. Dec. 14, 1877
German, Ernst Siemens patented the loudspeaker, before electrified music.(inventors.about.com)

5. 1878
Thomas Edison made the first audio recorder!

6. 1891
Nicolai Tesla patented the wireless transmitter.(reference.com)

7. 1896
Guglielmo Marconi patented the radio in Britain, but he most likely stole the idea from Nicolai Tesla from Italy, but Marconi was still considered the father of the radio. (reference.com)

8. April 27, 1898
Sir Oliver Lodge received second patent for loudspeaker. (inventors.about.com)

9. 1904
J.C. Bose patented the radio in the U.S.(reference.com)

10. 1910
Nathaniel Baldwin invented the first headphones.(inventors.about.com)

11. 1924
Chester W. Rice and Edward W. Kellogg invented a modern, moving coil, direct radiator, Loudspeaker.(inventors.about.com)

12. 1937
Don Hings made the first walkie-talkie.(inventors.about.com)

13. 1954
The first box-enclosed loudspeaker was made by Cabesse, a French company.(inventors.about.com)

14. 1958
First stereo headphones invented by John C. Koss.

15. 1973
Martin Cooper invented the first portable phone.(inventors.about.com)

16. 1994
First bluetooth headset created. (bookrags.com)