Leonard F VernonDr. Leonard Vernon, of Laurel, New Jersey, is a recognized expert on Frank Hague. He is a well-known local author, and his works include Jewish South Jersey and Jersey City Medical Center, as well as A Profession Persecuted: The History of the Chiropactic Profession in New Jersey. Dr. Leonard Vernon, of Laurel, New Jersey, is a recognized expert on Frank Hague. He is a well-known local author, and his works include Jewish South Jersey and Jersey City Medical Center, as well as A Profession Persecuted: The History of the Chiropractic Profession in New Jersey. Read More Read Less