Who is Dr. Eugene Vansant from Close to Shore: The Terrifying Shark Attacks of 1916 and what is their importance?

Dr. Eugene Vansant was a noted physician in Philadelphia. On July 1, 1916, he took his family for a vacation to Beach Haven on the Jersey coast. His eldest child, Charles Vansant, was the first victim of the attacks by a stalking great white shark along the coastline.