Question: Who am I? I did not forsake the Savior in his hour of Passion standing faithfully at the Cross. I wrote the fourth gospel as well as three epistles and have been associated with the Book of Revelation. I founded many churches in Asia Minor and lived to an old age,surviving all of my fellow apostles and died at Ephesus.
Answer: St. John The Apostle
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http://www.catholic.org/saints/saint.php?saint_id=228