Possible Clues:

• Reddish-gold; painter
• Fraser Rugby hero
• Sounds as if one may take it as read that he was the greatest 17 across in Venice
• ''Worship of Venus'' painter
• Sixteenth cenntury Italian painter
• Half of Peruvian lake depicted by an old master
• Superman retains interest in painter
• Renaissance giant
• He painted it, I got the coloured frame
• Orange shade named for a painter