Complex sentence: In 1924,1926, and 1927 Toomer went to France to study with Gurdjieff, who had settled at Fontainebleu, a student of Gurdjieff until the mid- 1930s.
Split into simpler sentences: In 1924,1926, and 1927 Toomer went to France to study with Gurdjieff, who had settled at Fontainebleu. He was a student of Gurdjieff until the mid- 1930s.