U.S. religious leader. Born in El Paso, Illinois, he attended parochial school and St. Viator College before being ordained to the priesthood in 1919. He pursued further studies in the U.S. and Belgium. He taught at Catholic University (Washington, D.C.) from 1926 to 1950. In 1930 he began his 22-year radio career on the program The Catholic Hour, with which he reached an estimated 4 million listeners. In 1951 he became a bishop. In the 1950s he began a weekly television series, Life Is Worth Living; it was followed by two more series. At his death he was one of the best-known clerics in the U.S.
From the Britannica Concise

Bishop Sheen is famous for having many famous converts and you can still see his show syndicated on some religious TV channels. He's also written a bunch of books.

It has been brought to my attention: The case for the canonization of Bishop Sheen has been opened up by the Diocese of Peoria, Illinois.