Complex sentence: The Honourable Michael Garfield Smith OM (Jamaica) (1921-1993) was a white Jamaican poet and sociologist who served as Franklin M. Crosby Professor Emeritus of the Human Environment at Yale University.
Split into simpler sentences: The Honourable Michael Garfield Smith OM (Jamaica) (1921-1993) was a Jamaican poet and sociologist. Smith served as Franklin M. Crosby Professor Emeritus of the Human Environment at Yale University.