Question: Have both Thorold Dickinson and John Korty won an Academy award for Best Documentary Feature?

Context articles: Fisher Stevens
Hill 24 Doesn't Answer
The First Mrs. Fraser (1932 film)
Thorold Dickinson
John Korty
The Arsenal Stadium Mystery
Breaking the Habit (film)
Deborah Hoffmann
The Face of a Genius
The Prime Minister (film)

Fisher Stevens (born Steven Fisher; November 27, 1963) is an American actor, director, producer and writer.
 As an actor, he is best known for his portrayals of Ben Jabituya in "Short Circuit" (renamed "Ben Jahrvi" in the sequel), Chuck Fishman on the 1990s television series "Early Edition" and villainous computer genius Eugene "The Plague" Belford in "Hackers".
 His most recent successes include the 2010 Academy Award for Best Documentary Feature for his film "The Cove" and the 2008 Independent Spirit Award for Best Documentary Feature for his film "Crazy Love".
 In addition, he has directed the Leonardo DiCaprio-produced documentary "Before the Flood", which is executive produced by Martin Scorsese, has screened at the Toronto International Film Festival, and will be screened by National Geographic.
Hill 24 Doesn't Answer (Hebrew: Giv'a 24 Eina Ona‎ ‎ ), the first feature film produced in Israel, is a 1955 Israeli war film directed by Thorold Dickinson.
 It was entered into the 1955 Cannes Film Festival.
 The plot revolves around the personal stories of a number of soldiers who are on their way to defend a strategic hill overlooking the road to Jerusalem.
The First Mrs. Fraser is a 1932 British musical romance film directed by Thorold Dickinson and Sinclair Hill and starring Henry Ainley, Joan Barry and Dorothy Dix.
 It is an adaptation of the 1929 play "The First Mrs. Fraser" by St. John Greer Ervine.
 It was made at Wembley Studios.
 The film's sets were designed by J. Elder Wills and Oscar Werndorff.
Thorold Barron Dickinson (16 November 1903 – 14 April 1984) was a British film director, screenwriter, producer, and Britain's first university professor of film.
 In recent years Dickinson's work has received much praise, with fellow director Martin Scorsese describing him as "a uniquely intelligent, passionate artist... They're not in endless supply."
John Korty (born June 22, 1936) is an American film director and animator, best known for the television film "The Autobiography of Miss Jane Pittman" and the documentary "Who Are the DeBolts?
 And Where Did They Get Nineteen Kids?
", as well as the theatrical animated feature "Twice Upon a Time".
 He has won an Academy Award for Best Documentary Feature (for "Who Are the DeBolts?")
 and several other major awards.
 He is described by the film critic Leonard Maltin as "a principled filmmaker who has worked both outside and within the mainstream, attempting to find projects that support his humanistic beliefs".
The Arsenal Stadium Mystery is a 1939 English mystery film and one of the first feature films wherein football is a central element in the plot.
 The film was directed by Thorold Dickinson, and shot at Denham Film Studios and on location at Arsenal Stadium.
 It was written by Dickinson, Donald Bull, and Alan Hyman, adapted from a novel by Leonard Gribble.
Breaking the Habit is a 1964 American short documentary film directed by John Korty about cigarette smoking and lung cancer.
 It was nominated for an Academy Award for Best Documentary Short.
Deborah Hoffmann is an American documentary director and editor.
 She edited and along with Frances Reid co-directed "Long Night's Journey into Day" (2000), which won the 2000 Sundance Film Festival Grand Jury award for best documentary and was nominated for the Academy Award for Best Documentary Feature.
 She also directed the Academy Award-nominated short film, "Complaints of a Dutiful Daughter" (1995) and was the editor of "The Times of Harvey Milk", which won the 1984 Oscar for best documentary.
The Face of a Genius is a 1966 American documentary film about Eugene O’Neill, produced by Alfred R. Kelman for WBZ-TV Boston.
 It was nominated for an Academy Award for Best Documentary Feature, the first time that a film originally produced for television was recognized by the Academy as a nominee for Best Documentary Feature.
The Prime Minister is a British film released in 1941 directed by Thorold Dickinson.
 It details the life and times of Benjamin Disraeli, who became Prime Minister of the United Kingdom, and stars John Gielgud, Diana Wynyard, Fay Compton and Stephen Murray.
 Gielgud would later reprise his role as Disraeli in the ITV television drama "Edward the Seventh" (1975).