Who made “Ludovisi Gaul”?

“Ludovisi Gaul” was made by Epigonus of Pergamum. Where to see it: Museo Nazionale Romano.

Sculpture

Epigonus (Greek: Ἐπίγονος) of Pergamum was the chief among the court sculptors to the Attalid dynasty at Pergamum in the late third century BCE. Wikipedia