Complex sentence: James Lord (November 27,1922--August 23,2009) was an American author of several books, including critically acclaimed biographies of the artists Alberto Giacometti and Pablo Picasso.
Split into simpler sentences: James Lord (November 27,1922--August 23,2009) was an American writer. He was the author of several books, including critically acclaimed biographies of the artists Alberto Giacometti and Pablo Picasso.