Martin Luther

Definition

Martin Luther was a German theologian and monk in the 16th century who initiated the Protestant Reformation. He challenged the teachings of the Roman Catholic Church, particularly on indulgences, penance, and papal authority.

Related terms

Reformation: The religious revolution during the 16th century that resulted in the establishment of Protestant churches.

Indulgences: In Catholic theology, these are ways to reduce punishment for sins which were sold by church officials, one of practices protested by Martin Luther.

Papal Authority: The Pope's power over the Catholic Church; this was questioned by Martin Luther during the Reformation.