Yon, here is what a man said who knew the Apostles personally... He sat and ate, walked and slept near them. He was ordained a Bishop by Peter and studied with John. His writings are preserved intact to this day:<quoted text>
"Wherever the Bishop appears, there let the people be, as wherever Jesus Christ is, there is the Catholic Church. It is not lawful to Baptize or give communion without the consent of the Bishop. Therefore whatever has his approval will be pleasing to God, thus will be safe and valid"