The apple doesn't fall far from the tree, etc., ... Son of sex researcher Dr. William H. Masters pleads guilty to masturbating in Central Park The 60-year-old son of sex research pioneer Dr. William H. Masters has admitted masturbating in Central Park. William H. Masters III pleaded guilty Monday to misdemeanour public lewdness. He was arrested in May after a New York police officer reported seeing him expose his genitals and masturbate ... Masters also is charged with exposing himself to a sheriff's deputy and another woman on a Michigan river in September. That case is pending.