Complex sentence: Edmond François Paul Pottier (13 August 1855, Saarbrücken--4 July 1934, Paris) was an art historian and archaeologist who was instrumental in establishing the Corpus vasorum antiquorum, and a pioneering scholar in the study of Ancient Greek pottery.
Split into simpler sentences: Edmond François Paul Pottier (13 August 1855, Saarbrücken--4 July 1934, Paris) was an art historian and archaeologist who was instrumental in establishing the Corpus vasorum antiquorum. He was a pioneering scholar in the study of Ancient Greek pottery.