B.B. Warfield, or Benjamin Breckinridge Warfield, was an influential American theologian born in 1851. He is best known for his work in the field of Reformed theology and his defense of Christian orthodoxy. Warfield served as a professor at Princeton Theological Seminary for many years, where he contributed significantly to biblical scholarship and theological education. Warfield's writings often focused on the authority of the Bible and the importance of doctrine in the Christian faith. He was a prominent figure in the Princeton Theology movement and played a key role in the development of modern evangelical thought. His legacy continues to impact theological discussions today.