Stephen J. Nichols is a theologian, church historian, and author primarily known for his work in Reformed theology and church history. He has written extensively on historical figures such as Martin Luther and Jonathan Edwards, and has contributed to the field of Christian education through his role as President of Reformation Bible College and Chief Academic Officer of Ligonier Ministries. Nichols is recognized for making complex theological ideas and historical topics accessible to a broad audience and for his commitment to the teaching and defense of the historic Christian faith. His books often address the development of Christian doctrine, the intersection of culture and Christianity, and the legacies of key figures in the Protestant Reformation.