Italian sculptor, painter, poet, and architect during the High Renaissance, Michelangelo is considered as one of the quintessential figures influencing Western art. His best known works include his sculpture David, his scenes of Genesis painted on the ceiling of the Sistine Chapel, and his architectural design of St. Peter's Basilica. Michelangelo also participated in the Siege of Florence from 1528-1529, designing the city's fortifications to protect against the rule of the Medici.