Complex sentence: Jean Pucelle (c.1300--1355), active c.1320-1350, was a Parisian Gothic-era manuscript illuminator, excelling in the invention of drolleries, traditional iconography, and was considered one of the best miniaturists of the early 14th century.
Split into simpler sentences: Jean Pucelle (c.1300--1355), active c.1320-1350, was a Parisian Gothic-era manuscript illuminator who excelled in the invention of drolleries as well as traditional iconography. He is considered one of the best miniaturists of the early 14th century.