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.
Peter Levin
Peter Levin is an American director of film, television and theatre.
John Farrell (businessman)
John Farrell is the director of YouTube in Latin America.
Brian Kennedy (gallery director)
Brian Patrick Kennedy( born 5 November 1961) is an Irish- born art museum director who has worked in Ireland and Australia, and now lives and works in the United States.
He is currently the director of the Peabody Essex Museum.
He was the director of the Toledo Museum of Art in Ohio from 2010 to 2019.
He was the director of the Hood Museum of Art from 2005 to 2010, and the National Gallery of Australia( Canberra) from 1997- 2004.
Victor Schertzinger
Victor L. Schertzinger (April 8, 1888 - October 26, 1941) was an American composer, film director, film producer, and screenwriter.
His films include "Paramount on Parade" (co-director, 1930), "Something to Sing About" (1937) with James Cagney, and the first two "Road" pictures "Road to Singapore" (1940) and "Road to Zanzibar" (1941).
His two best-known songs are "I Remember You" and "Tangerine", both with lyrics by Johnny Mercer and both featured in Schertzinger's final film, "The Fleet's In" (1942).
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.
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.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
When Doctors Disagree
When Doctors Disagree is a 1919 comedy film directed by Victor Schertzinger, written by Anna F. Briand, photographed by Percy Hilburn, and starring Mabel Normand.
The movie was released by the Goldwyn Pictures Corporation with a running time of 50 minutes.
A print of the film survives in the Cinémathèque Royale film archive.

Question: What nationality is the director of film When Doctors Disagree?
Answer: American