Complex sentence: Garson was born in Washington, D.C. and spent his formative years in West Palm Beach, Florida then attended undergraduate school at Tulane University followed by graduate degrees at the Johns Hopkins University and at USC where he also served as an instructor.
Split into simpler sentences: Garson was born in Washington, D.C., and spent his formative years in West Palm Beach, Florida. He then attended undergraduate school at Tulane University followed by graduate degrees at Johns Hopkins University and at USC, where he also served as an instructor.