qnli question: What Venetian spent most of his career in England? sentence: Major architects to promote the change in direction from baroque were Colen Campbell, author of the influential book Vitruvius Britannicus (1715-1725); Richard Boyle, 3rd Earl of Burlington and his protégé William Kent; Isaac Ware; Henry Flitcroft and the Venetian Giacomo Leoni, who spent most of his career in England.