Sculptures to be displayed at Fitzwilliam Museum, Cambridge, thought to be the only surviving bronzes by the Renaissance artist Two handsome, virile naked men riding triumphantly on ferocious panthers will on Monday be unveiled as, probably, the only surviving bronze sculptures by the Renaissance giant Michelangelo. In art history terms, the attribution is sensational. Academics in Cambridge will suggest that a pair of mysterious metre-high sculptures known as the Rothschild Bronzes are by the master himself, made just after he completed David and as he was about to embark on the Sistine Chapel ceiling. If correct, they are the only...