High Quality Content by WIKIPEDIA articles! Kenneth Erwin Hagin (August 20, 1917 - September 19, 2003) was an influential American Pentecostal preacher. He is often referred to as the "father" (or "granddaddy") of the "Word of Faith" movement. Many of his followers often refer to him affectionately as "Dad Hagin", "Pappa Hagin" and more commonly "Brother Hagin".