Charles Edward Coughlin ( KOG-lin; October 25, 1891 – October 27, 1979), commonly known as Father Coughlin, was a Canadian-American Catholic priest based in the United States near Detroit. He was the founding priest of the National Shrine of the Little Flower. Dubbed "The Radio Priest " and considered a leading demagogue, he was one of the first political leaders to use radio to reach a mass audience. During the 1930s, when the U.S. population was about 120 million, an estimated 30 million listeners tuned to his weekly broadcasts.
https://en.wikipedia.org/wiki/Charles_Coughlin