Gilbert Keith’s Post need posting again. It is measured and quite orthodox.
““My last impressions of scholarly research on this subject is that Catholics and Protestants now agree Mark, not Matthew, was the first Gospel written. Since Mark was a close disciple of Peter and his secretary, it stands to reason that the Gospel of Mark was an accumulation of material revealed by Peter to Mark. How else could it be, since Mark was not an eye witness to the life of Christ as Peter was? Therefore the Gospels receives their first impetus from Peter, not Paul. And doesn’t it likewise stand to reason that Paul would have heard much of what he knew about Jesus from the lips of Peter, especially during the period immediately after his conversion?””
Yes, I have read and heard for all my adult life that Mark was the scribe for St. Peter. Mark had more schooling and could write. And yes again. St. Paul was not an eyewittness to Jesus words nor acts; so Paul learned about Jesus FROM PETER.
Someone mentioned which would we misss the most; the Gospels or the epistles of Paul? Good thought.