Complex sentence: Arnold Lionel (l) Haskell (July 19,1903, London-November 14,1980, Bath) was a British dance critic who founded the "Carmago Society" in 1930, and Sadler's Wells Ballet School in 1947.
Split into simpler sentences: Arnold Lionel (l) Haskell (July 19,1903, London-November 14,1980, Bath) was a British dance critic. He founded the "Carmago Society" in 1930, and Sadler's Wells Ballet School in 1947.