Possible Clues:

• French postimpressionist painter
• Paul —, French Post-Impressionist
• Artist fashionable after good month at university
• French post-Impressionist, d. 1903
• Van Gogh threatened him with a razor blade
• French painter who worked in the South Pacific
• Judge mostly superior and trendy artist
• Paul —, French painter
• Artist losing way in part of summer, tucking into booze
• 6 celebrated, shedding stones, cutting drink