Sir Alfred James "A.J." Munnings (1878-1959) held court as one of the most successful and prolific British painters of his era. Munnings rose from a working-class background and established himself as a charter member of the Newlyn School colony -- a clique of artists based in a fishing village near Penzance, Cornwall, who celebrated a natural, outdoor aesthetic reminiscent of Barbizon in France. In many circles, Munnings has since been excoriated for his lifelong eschewing of modernism and contemporaneity on the canvas. It might not even be a stretch to tag him as the Thomas Kinkade of England -- a journeyman hack who was devoted to reproducing, ad...