Derek Prince (1915-2003) was a British-born Bible teacher and author who wrote over 50 books on Christian spirituality, including the classics Shaping History Through Prayer and Fasting and Foundations for Christian Living. He was a pioneer in the Pentecostal movement and was one of the most influential Bible teachers of the 20th century. He was known for his teaching on the power of the Holy Spirit, the importance of prayer and fasting, and the need for personal holiness.