Answer:
John Wycliffe: With his dedication, he emphasized that the supreme authority of the church is Jesus Christ, not the pope.
Jan Hus: It demanded a more modest life for church authorities. He is seeking to translate the Bible into the vernacular. Because of his public appearances, he was burned at stake.
Desiderius Erasmus: He opposed the immorality and debauchery of church officials. He expressed his views in work "Praise for Madness". One of the representatives of Humanism,