Complex sentence: Alexander "Alex" Erskine Fiddes was a Scottish rugby union, professional rugby league footballer and professional rugby league coach, who played in the 1930s and 1940s, and coached in the 1950s.
Split into simpler sentences: Alexander "Alex" Erskine Fiddes was a Scottish rugby union, professional rugby league footballer, and professional rugby league coach. He played in the 1930s and 1940s, and coached in the 1950s.