Dr. Joseph E. Campbell (b. 1903), author, world evangelist, professor, held the first earned doctoral degree in The Pentecostal Holiness Church. An active evangelist, revivalist, and pastor, he held a longtime interest in missions. He founded the Laymen's Missionary Foundation. He traveled to Hong Kong where he established a school, college, and church. His books include What to Believe and Why, Can a Man Live above Sin?, and A Whole Gospel for the Whole Man.