Question: Are Herbert Achternbusch and Kathryn Bigelow both German writers?

Context articles: Gelöbnis treuester Gefolgschaft
Detroit (film)
Cinema of Jordan
Der Neger Erwin
Hades (film)
Kathryn Bigelow
Herbert Achternbusch
The Ghost (1982 film)
Wohin?
Heart of Glass (film)

The Gelöbnis treuester Gefolgschaft (variously translated from German to English as "vow of most faithful allegiance", "proclamation of loyalty of German writers" or "promise of most loyal obedience") was a declaration by 88 German writers and poets of their loyalty to Adolf Hitler.
 It was printed in the "Vossische Zeitung" on 26 October 1933 and publicised by the Prussian Academy of Arts in Berlin.
 It was also published in other newspapers, such as the "Frankfurter Zeitung", to widen public awareness of the confidence of the signed poets and writers in Hitler as the German Reichskanzler.
Detroit is a 2017 American period crime drama film directed by Kathryn Bigelow and written by Mark Boal.
 Based on the Algiers Motel incident during Detroit's 1967 12th Street Riot, the film's release commemorated the 50th anniversary of the event.
 The film stars John Boyega, Will Poulter, Algee Smith, Jason Mitchell, John Krasinski and Anthony Mackie.
Jordan is a country with strong political support and a variety of locations that have been used by filmmakers from all over the world.
 Films that have been shot in Jordan include "Indiana Jones and the Last Crusade" which was filmed in Petra' in 1988. "
Lawrence of Arabia" directed by David Lean was filmed in the Wadi Rum desert in 1961.
 Recent films that were shot in Jordan are "The Hurt Locker" directed by Kathryn Bigelow, "Redacted" directed by Brian De Palma, some second unit scenes from "", "Fair Game" starring Sean Penn, and "Battle for Haditha" directed by Nick Broomfield.
 Jordanian films such as "Captain Abu Raed" were also conceived and filmed in the country.
Der Neger Erwin is a 1981 West German film directed by and starring Herbert Achternbusch.
 It was entered into the 31st Berlin International Film Festival.
Hades is a 1995 German drama film directed by and starring Herbert Achternbusch.
 It was entered into the 45th Berlin International Film Festival.
Kathryn Ann Bigelow ( ; born November 27, 1951) is an American director, producer, and writer.
 Her films include the vampire Western horror film "Near Dark" (1987), the action crime film "Point Break" (1991), the science fiction action thriller "Strange Days" (1995), the mystery thriller "The Weight of Water" (2000), the submarine thriller "" (2002), the war film "The Hurt Locker" (2008), the action thriller war film "Zero Dark Thirty" (2012), the short film "Last Days" (2014), and the period crime drama "Detroit" (2017).
 "The Hurt Locker" won the 2009 Academy Award for Best Picture and the BAFTA Award for Best Film, and was nominated for the 2010 Golden Globe Award for Best Drama.
 She has also acted as producer and writer for many of her films.
Herbert Achternbusch (born 23 November 1938 in Munich) is a German writer, painter and filmmaker.
 His anarchist surrealistic films are not known to a wide audience in Germany, although one of them, "Das Gespenst (The Ghost)", caused a scandal in 1983 because of its
The Ghost (German: "Das Gespenst" ) is a 1982 West German drama film directed by and starring Herbert Achternbusch.
 It was entered into the 33rd Berlin International Film Festival.
Wohin?
 is a 1988 German drama film directed by Herbert Achternbusch.
 It was entered into the 38th Berlin International Film Festival.
Heart of Glass (German: Herz aus Glas ) is a 1976 German film directed and produced by Werner Herzog, set in 18th century Bavaria.
 The film was written by Herzog, based partly on a story by Herbert Achternbusch.
 The main character is "Hias," based on the legendary Bavarian prophet Mühlhiasl.