Nanni di Bartolo: Florentine Sculptor and Venetian Innovator Nanni di Bartolo, a sculptor of the Early Renaissance whose precise birthdate remains elusive—scholarly estimates place him around 1419—stands as a pivotal figure in Florentine artistic history. Though his death occurred in 1451, leaving little biographical detail behind, his legacy persists through an impressive corpus of terracotta and plaster sculptures that illuminate the burgeoning humanist spirit of Florence and foreshadowed stylistic developments across Italy. He is often referred to as “il Rosso” (“the redhead”), a moniker…