Who is called the "Father" of the Protestant Reformation because he famously critiqued and was excommunicated reformers? icated by Catholicism, Ignatius Loyola Henry VIII Martin Luther John Calvin

Martin Luther is called the "Father" of the Protestant Reformation. He famously critiqued the Catholic Church, particularly with his Ninety-Five Theses in 1517, which led to his excommunication and the start of the Reformation movement.