Benjamin Ricketson Tucker (/ˈtʌkər/; April 17, 1854 – June 22, 1939) was an American anarchist. A 19th-century proponent of individualist anarchism which he called "unterrified Jeffersonianism", Tucker was the editor and publisher of the American individualist anarchist periodical Liberty (1881–1908) as well as a member of the socialist First International.