Possible Clues:

• He is often good at figures
• Artist - southern constellation
• Artist needing to deal with a sort of block?
• Old record kept by courts about Moore, say
• Artist — pro cults (anag)
• Epstein,say,curls pot differently
• Artist who carves
• Advantage about introducing Connery initially to R Moore?
• Who made David perhaps lop crust off
• One whose work may provide a little relief?