Dr. Nathaniel M. Van Cleave: Devoted to ministry for over fifty years, Dr. Van Cleave developed a broad base of experience as a teacher, pastor, missionary, theologian, and preacher. One of his greatest qualifications for his work on the subject of Pentecostal theology was his personal link to the foundational Pentecostal movements in North America as a young man. His personal and ministerial relationship to Pentecostal theology provides the reader with a strong foundational base on the teachings of the Pentecostal movement.