Which 14th-century theologian and reformer spoke out against the principle of transubstantiation? King Henry VIII
Pope Gregory XI
Johannes Kepler
John Wycliffe

John Wycliffe  .

Explanation:

John Wycliffe was a 14th century English theologian and reformer who was charged with heresy for his criticism and dissidence against the Roman Catholic church and papacy.John Wycliffe did a thorough study of the Scripture and gave immense criticisms on the conflicting practice of the church. He spoke against the principle of transubstantiation and challenged the wrongful interpretations of the Scripture by the church.