Original: The Ninety-Five Theses on the Power and Efficacy of Indulgences, commonly known as The Ninety-Five Theses, were written by Martin Luther in 1517 and are widely regarded as the primary catalyst for the Protestant Reformation.
Simplified: The Ninety-Five Theses on the Power of Indulgences, commonly known as The Ninety-Five Theses, was written by Martin Luther.