Complex sentence: In 1934 Davidson won the National Academy of Design's Maynard Prize, and in 1947 the American Academy of Arts and Letters hosted a retrospective featuring nearly 200 of his works.
Split into simpler sentences: In 1934 Davidson won the National Academy of Design's Maynard Prize. In 1947 the American Academy of Arts and Letters hosted a retrospective featuring nearly 200 of his works.