Samuel Hopkins Adams (1871 - 1958) was an American author, born in Dunkirk, New York. He served as a reporter for the New York Sun before joining McClure's Magazine, where he became a crusader for improved governmental oversight of public issues like patent medicines. He is credited with influencing the passage of the first Pure Food and Drugs Act. His books include Revelry (1926), The Great American Fraud (1906), The Harvey Girls (1942), Grandfather Stories (1955), and Tenderloin (1959).