Agnolo Bronzino (Agnolo di Cosimo)

Agnolo di Cosimo di Mariano, called Bronzino, was court painter to Duke Cosimo I de’ Medici and became the foremost portraitist of Florence. He also executed religious and allegorical subjects as well as decorations for Medici festivities.

Source: Art in The Frick Collection: Paintings, Sculpture, Decorative Arts, New York: Harry N. Abrams, 1996.