Peter Levin
Peter Levin is an American director of film, television and theatre.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Lee Byeong-heon (filmmaker)
Lee Byeong- heon( born 23 July 1980) is a South Korean film director and screenwriter.
He is best known for his 2015 film" Twenty" and 2019 film" Extreme Job", the latter of which broke the record for the highest- grossing Korean film.
Dana Blankstein
Dana Blankstein- Cohen( born March 3, 1981) is the director of the Israeli Academy of Film and Television.
She is a film director, and an Israeli culture entrepreneur.
Olav Aaraas
Olav Aaraas( born 10 July 1950) is a Norwegian historian and museum director.
He was born in Fredrikstad.
From 1982 to 1993 he was the director of Sogn Folk Museum, from 1993 to 2010 he was the director of Maihaugen and from 2001 he has been the director of the Norwegian Museum of Cultural History.
In 2010 he was decorated with the Royal Norwegian Order of St. Olav.
John Farrell (businessman)
John Farrell is the director of YouTube in Latin America.
Twenty-One (1918 film)
Twenty-One is a 1918 silent film presumed lost.
It was directed by William Worthington and starred Bryant Washburn and Gertrude Selby.
In this coming-of-age comedy drama, Washburn played the dual roles of a coddled rich kid and a tough prizefighter who trade places.
Washburn and Selby starred together again in Kidder & Ko.
William Worthington (actor)
William Worthington (April 8, 1872 in Troy, New York – April 9, 1941 in Beverly Hills, California) was an American silent film actor and director.
John Donatich
John Donatich is the Director of Yale University Press.
Michael Govan
Michael Govan( born 1963) is the director of the Los Angeles County Museum of Art since 2006.
Prior to this, Govan worked as the director of the Dia Art Foundation in New York City.

Question: What nationality is the director of film Twenty-One (1918 Film)?
Answer: American