Complex sentence: Gilmour "Gloomy Gil" Dobie (1879-1948) was an American college football coach at Washington (1908-1916), Navy, Cornell and Boston College.
Split into simpler sentences: Gilmour "Gloomy Gil" Dobie (1879--1948) was an American college football coach. He coached at Washington (1908-1916), Navy, Cornell and Boston College.