Throughout history there have been many different people that have contributed huge things to the marketing world and one of the most popular people being, John R. Brinkley. John R. Brinkley became nationally known as the "goat gland doctor" for his controversial medical practice that promised virility for his male patients. He was a pioneer in radio broadcasting and advertising, as he promoted his services to his large listening audience. Another important aspect of Brinkley’s radio skill was his innovative approach to using the medium to encourage behavior. Reading letters from listeners, the good doctor would suggest that all the patient needed to get better was a natural cure, and that cure invariably could be found simply by sending
