John A. MacMillan

John A. MacMillan (1873–1956) was a Canadian-born Christian missionary, pastor, author, and Bible teacher whose writings on prayer, spiritual authority, and Christian living have had a lasting influence on evangelical and Pentecostal thought. Best known for his classic work The Authority of the Believer, MacMillan devoted his life to encouraging Christians to develop a deeper faith, a disciplined prayer life, and a s...