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.
Saint Ambrose was a renowned bishop of Milan and a key theologian, instrumental in the conversion of Saint Augustine and a major influence on the development of Western Christianity.
Amy Carmichael was a British missionary, humanitarian, and prolific writer, who dedicated her life to rescuing and caring for disadvantaged children in India.
Saint Paul was an influential Christian missionary and theologian whose teachings significantly shaped the development of early Christianity.
George Fox was an English mystic and religious leader who founded the Religious Society of Friends, also known as Quakers.
Philip Jakob Spener was a prominent German theologian and Lutheran minister who significantly influenced the rise of Pietism in the late 17th century.
Saint John the Apostle, a devoted disciple of Jesus and author of the fourth Gospel, played a pivotal role in spreading Christianity globally.