Possible Clues:

• Dylan —; — Edison
• Victorian plumber remembered with every bowel movement?
• '-- the Rhymer', a fantasy novel by Ellen Kushner
• The Library of Congress's first online database, named for the third US president
• Supreme Court justice Clarence
• The Apostle who initially doubted the Resurrection
• Pewter accompanier in the Bible
• Doubting apostle chasing Jerry?
• With 9 Down and 71 Across, source of quote
• 'A Child's Christmas in Wales' poet