Mannerism: Bronzino (1503–1572) and his Contemporaries – The Metropolitan Museum of Art https://www.metmuseum.org/essays/mannerism-bronzino-1503-1572-and-his-contemporaries
While the formal vocabulary of Mannerism takes much from the later works of Michelangelo and Raphael, its adherents generally favored compositional tension and instability.
Girolamo Mazzola Bedoli Cosimo I de‘ Medici (1519–1574) Bronzino Portrait of a Man
