Complex sentence: Godman was Secretary of the British Ornithological Union from 1870 to 1882 and again from 1889 to 1897, and also served as President from 1896 until 1913.
Split into simpler sentences: Godman was Secretary of the British Ornithological Union from 1870 to 1882 and again from 1889 to 1897. He also served as President from 1896 until 1913.