He trained with Pontormo, the leading Florentine painter of the first generation of Mannerism, and his style was greatly influenced by him, but his elegant and somewhat elongated figures always appear calm and somewhat reserved, lacking the agitation and emotion of those by his teacher.
Pontormo is thought to have introduced a portrait of Bronzino as a child (seated on a step) into one of his series on Joseph in Egypt now in the National Gallery, London.
[4] Towards the end of his life, Bronzino took a prominent part in the activities of the Florentine Accademia delle Arti del Disegno, of which he was a founding member in 1563.
His portrait figures – often read as static, elegant, and stylish exemplars of unemotional haughtiness and assurance – influenced the course of European court portraiture for a century.
Bronzino's best-known works comprise the aforementioned series of the duke and duchess, Cosimo and Eleonora, and figures of their court such as Bartolomeo Panciatichi and his wife Lucrezia.
Here the Duchess is pictured with her second son Giovanni, who died of malaria in 1562, along with his mother; however it is the sumptuous fabric of the dress that takes up more space on the canvas than either of the sitters.
The elaborate gown has been rumoured to be so beloved by the duchess that she was ultimately buried in it; when this myth was debunked, others suggested that perhaps the garment never existed at all and Bronzino invented the entire thing, perhaps working only from a fabric swatch.
Smyth) in this fresco cycle, and his religious works are examples of the mid-16th-century aesthetics of the Florentine court – traditionally interpreted as highly stylized and non-personal or emotive.
Bronzino's skill with the nude was even more enigmatically deployed in the celebrated Venus, Cupid, Folly and Time, which conveys strong feelings of eroticism under the pretext of a moralizing allegory.