Complex sentence: Cornell George Hopley-Woolrich (4 December 1903--25 September 1968) was an American novelist and short story writer who sometimes wrote under the pseudonyms William Irish and George Hopley.
Split into simpler sentences: Cornell George Hopley-Woolrich (4 December 1903--25 September 1968) was an American novelist and short story writer. Some Woollrich titles were published under the pseudonyms William Irish and George Hopley.