(Giovanni Lorenzo) (1598-1680) Italian sculptor, architect, and painter. He was a leading figure in the development of the Baroque style. His work in Rome includes the colonnaded piazza in front of St Peter’s Basilica 1656, fountains (as in the Piazza Navona), and papal monuments. His sculpture includes The Ecstasy of St Theresa 1645–52 (Sta Maria della Vittoria, Rome) and numerous portrait busts.