Complex sentence: Percy Erskine Nobbs (1875-1964) was a Canadian architect who was born in Haddington, Scotland and trained in the United Kingdom, but spent most of his career in the Montreal area.
Split into simpler sentences: Percy Erskine Nobbs (1875-1964) was a Canadian architect who was born in Haddington, Scotland and trained in the United Kingdom. He spent most of his career in the Montreal area.