Jack Little (born John Leonard; May 30, 1899 – April 9, 1956), (Another source gives his birth date as May 28, 1902.). In one such touring appearance on radio, at WOC in Davenport, Iowa, Little "made a new endurance record for himself. when he remained on the air three hours and sixteen minutes. [and] sang fifty-one songs in answer to thousands of requests.".
eBay