Review of Henry Moore: The Sixties exhibition at Perry Green, with thoughtful exploration of the sculptor's themes and output througtout the decade. Quotes from Dr. Hannah Highham on how innovations changed Moore's processes (i.e. polystyrene), use of assistants and Plastic Studio. Brief mention of Locking Piece and Knife Edge Two Piece, Anthony Caro and a 1964 article in the New York Times by Brian O'Doherty. Six illus from Foundation's press pack selection.