Marie Louise Hartman (born March 11, 1959), known professionally as Nina Hartley, is an American pornographic film actress and sex educator. She has been described by Las Vegas Weekly as an "outspoken feminist" and "advocate for sexual freedom", and by CNBC as "a legend in the adult world". Her pornographic film debut was in Educating Nina (1984), where she was cast and directed by fellow performer Juliet Anderson. Since then she has gone on to become one of the most enduring and recognizable performers in the industry, winning numerous award…