·북아일랜드 Whitfield College of the Bible(B.A., 1963) ·미국 Foundations Bible College(Th.D., 1988) ·북아일랜드 Ballymoney Free Presbyterian Church(1965-1980) 담임목사 ·북아일랜드 Whitefield College of the Bible(1965-1980) 신학교수 ·미국 Faith Free Presbyterian Church(1980-2009) 담임목사 ·미국 Geneva Reformed Seminary(1982-2009) 신학교수 ·미국 Faith Free Presbyterian Church(2009-현재) 원로목사 [저서] ·Apostles of Error(Ambassador Publications, 1989) ·Throned In Highest Bliss(Ambassador Publications, 1990) ·A Prophet of Honor(Ambassador Publications, 1991) ·A Sure Foundation(Emerald House Group, 1997) ·Eagle’s Wings(Ambassador-Emerald International, 1998) ·The Chariots of God(Emerald House Group, 2000) ·The Fruit of the Spirit(Ambassador-Emerald International, 2003) ·Footprints of Faith(Ambassador-Emerald International, 2003) ·Dictionary of Theological Terms 3rd Ed.(Emerald House Group, 2003)