Antonio da Sangallo, ‘Palazzo Farnese’, 1517-1550, Art History 101
Antonio da Sangallo, ‘Palazzo Farnese’, 1517-1550, Art History 101

When Sangallo died in 1546, Michelangelo added the third floor and cornice.

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About Antonio da Sangallo

Italian, April 12, 1484 - August 3, 1546, Florence, Italy, based in Florence, Italy