Complex sentence: John McTaggart Ellis McTaggart (1866-1925) was the leading Hegel scholar in England at the beginning of the 20th Century, and friend and teacher of Bertrand Russell and G. E. Moore.
Split into simpler sentences: John McTaggart Ellis McTaggart (1866-1925) was the leading Hegel scholar in England at the beginning of the 20th century. He was a friend and teacher of Bertrand Russell and G. E. Moore.