Therefore, an angel is composed of matter and form. Objection 3: Form is an actuality (actus). Therefore, whatever is just a form is pure actuality. But an angel is not pure actuality, since this belongs to God alone.
Who is the leader of the Protestant Church?
Martin Luther, often called the father of Protestantism, fundamentally changed the Christian world through his force of will and new ideas. He tried passionately to reform the Catholic Church.