<p>Sir William Davenant (1606?1668) ? Poet Laureate and Civil War hero ? is one of the most influential and neglected figures in the history of British theatre. He introduced 'opera', actresses, scenes and the proscenium arch to the English stage. Narrowly escaping execution for his Royalist activities during the Civil War, he revived theatrical performances in London, right under Oliver Cromwell's nose. Nobody, perhaps, did more to secure Shakes...