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 archit…