Norman Vincent PealeNorman Vincent Peale (May 31, 1898 – December 24, 1993) was an American minister and author who is best known for his work in popularizing the concept of positive thinking, especially through his best-selling book ''The Power of Positive Thinking''. He served as the pastor of Marble Collegiate Church, New York, from 1932 until 1984, leading a Reformed Church in America congregation.
Peale was a personal friend of President Richard Nixon and he influenced other US presidents as well.
His ideas and techniques received criticism from church figures and from psychiatric professionals. Provided by Wikipedia