Christopher Stone.

   In 1892,Emile Berliner began commercial production of his gramophone records, the first disc records to be offered to the public. In 1906, Reginald Fessenden transmitted the first audio radiobroadcast in history also playing the first record, that of a contralto singing Handel's Largo from Xerxes

The world's first radio disc jockey was Ray Newby, of Stockton, California. In 1909, at 16 years of age, Newby began regularly playing records on a smallspark transmitter while a student at Herrold College of Engineering and Wireless, located in San Jose, California, under the authority of radio pioneer Charles.By 1910 reguler radio broadcasting had started use"live" as well as prerecorder sound. In ter early age , content typically comedy,drama,news,music,and sport reporting. On air announcer and progammer would her later be know as disc jokey. In1920as, joke joints became popular as places fort dancing and drinking to recorded jukebox music. 1927 Christopher Stone became the first radio announcer and progammer in the United Kingdom , on the BBC radio station.