Possible Clues:

• He was converted in the Damascus road
• Name from the Latin for ''small''
• He was the Walrus
• Letter-writer has become boring, I'd say
• CŽzanne or Gauguin
• Biblical epistle writer
• Figure skating medalist Robert
• Apostle to the Gentiles
• Motorsport's Tracy
• With 13-Across, "Lonely Boy" singer