Soap opera soap opera "Guiding Light" (originally titled "The Guiding Light" until 1975) started as a radio drama in January 1937 and subsequently transferred to television in June 1952. With the exception of several years in the late 1940s, during which creator Irna Phillips was involved in a dispute with Procter & Gamble, "Guiding Light" was heard or seen nearly every weekday from 1937 until 2009, making it the longest story ever told in a broadcast medium. Originally serials were broadcast as fifteen-minute installments each weekday in daytime slots. In 1956, "As the World Turns" and "The Edge of Night", both produced
Beulah (radio and TV series) a week for the first season, doubled the ratings of the original series and pleased the NAACP which was elated to see a historic first: a black woman as the star of a network radio program. McDaniel continued in the role until she became ill in 1952 and was replaced by Lillian Randolph, who was in turn replaced for the 1953–54 radio season by her sister, Amanda Randolph. For most of the radio show's run, the series ran as a 15-minute daily sitcom, a format popular among daytime serials. In 1950, Roland Reed Productions adapted the property into a TV