Bartolomeo Neroni: A Shadowed Genius of the Florentine Mannerist School Bartolomeo Neroni (1505 – 1571) remains a figure shrouded in mystery, an artist whose prolific output belies scant biographical information. Born in Siena, he ascended to prominence during the turbulent Renaissance era, establishing himself as a sculptor and architect of considerable renown alongside his brother Giovanni Battista Neroni, who served as papal architect for decades. Despite the lack of detailed documentation concerning his personal life—he married Isabella Ursellini and had several children—Neroni’s artisti…