Claim: Renaissance art involved an artist.

Lorenzo Ghiberti -LRB- -LSB- loˈrɛntso ɡiˈbɛrti -RSB- ; 1378 -- 1 December 1455 -RRB- , born Lorenzo di Bartolo , was a Florentine Italian artist of the Early Renaissance best known as the creator of the bronze doors of the Florence Baptistery , called by Michelangelo the Gates of Paradise . Trained as a goldsmith and sculptor , he established an important workshop for sculpture in metal . His book of Commentari contains important writing on art , as well as what may be the earliest surviving autobiography by any artist .