Martin Luther was a German monk, theologian and central figure in the Protestant Reformation.
John Calvin was a French theologian, pastor and reformer in Geneva during the Protestant Reformation.
Menno Simons was a Dutch Anabaptist theologian and leader who founded the Mennonite movement, promoting pacifism and adult baptism.
Philipp Melanchthon was a German theologian, reformer, and scholar who played a pivotal role in shaping the Lutheran Reformation alongside Martin Luther.
Jonathan Edwards was a prominent American theologian, philosopher, and revivalist preacher, instrumental in the First Great Awakening.