Don't Tell Everything is a 1921 American silent drama film directed by Sam Wood and starring Gloria Swanson and Wallace Reid.
 Wood apparently created this film in part from outtakes left over from Cecil DeMille's "The Affairs of Anatol" (1921).
Samuel Grosvenor Wood (July 10, 1883 – September 22, 1949) was an American film director and producer, who was best known for directing such Hollywood hits as "A Night at the Opera", "A Day at the Races", "Goodbye, Mr. Chips", and "The Pride of the Yankees".
 He was also involved in a few acting and writing projects.
documenta X was the tenth edition of documenta, a quinquennial contemporary art exhibition.
 It was held between 21 June and 28 September 1997 in Kassel, Germany.
 The artistic director was Catherine David.
 This was the first time a women was appointed as artistic director of documenta.
 It is also the first time the website of the exhibition was conceive as an artistic part of it.
Catherine David choose the swiss curator Simon Lamunière to conceived, design and curate the project .
 Part of documenta X was the experimental performance space and digital platform "Hybrid WorkSpace," curated by Klaus Biesenbach, Nancy Spector, and Hans-Ulrich Obrist.
 The space was designed by architect Eicke Becker and featured important performances, among them the famous Christoph Schlingensief performance titled "Mein Filz, mein Fett, mein Hase, 48 Stunden Überleben für Deutschland" during which several artists were arrested.
 Florian Schneider used "Hybrid WorkSpace" as an opportunity to initiate the No one is illegal network.
Let 'Em Have It is a 1935 American gangster film directed by Sam Wood.
 The film was also known under the title False Faces in the United Kingdom and The Legion of Valour in Australia.
Foreigners out!
 Schlingensiefs Container (Ausländer raus!
 Schlingensiefs Container), alternately named ""Wien-Aktion"", ""Please Love Austria—First European Coalition Week"", or ""Foreigners Out—Artists against Human Rights"", is an art project and television show from 2000 that took place within the scope of the annual Wiener Festwochen.
 It was conceptually designed by Christoph Schlingensief and directed by Paul Poet, and was styled as a mockery of popular TV program format "Big Brother".
 It was critically aimed both at certain forms of television entertainment and at a latent xenophobia still thriving in the whole world.
Christoph Maria Schlingensief (24 October 1960, Oberhausen – 21 August 2010, Berlin) was a German theatre director, performance artist and filmmaker.
 Starting as an independent underground filmmaker, Schlingensief later staged productions for theatres and festivals, often accompanied by public controversies.
 In the final years before his death, he staged Parsifal at the Bayreuth Festival and worked at several opera houses, establishing himself as a "Regietheater" artist.
 He posthumously won the Golden Lion for Germany in 2011 at the Venice Biennale for the best national pavilion, which was turned into an installative replica of the stage design for his autobiographical play "A Church of Fear VS. the Alien Within", alluding to his cancer illness.
Sam Wood (born 11 July 1997 in Dewsbury, West Yorkshire, England) is an English rugby league player who plays for the Huddersfield Giants in the Super League.
 He plays as a centre or as an outside back.
Ambush is a 1950 western film directed by Sam Wood and starring Robert Taylor, John Hodiak and Arlene Dahl.
 This was the last film directed by Sam Wood.
 The plot is based on the serial story "Ambush" by Luke Short in "The Saturday Evening Post" (25 Dec 1948–12 Feb 1949).
Opera Village Africa (French: Village-Opéra Afrique , German: Operndorf Afrika ) is an arts education project located in Ouagadougou, the capital city of Burkina Faso.
 It was initiated by the German film and theatre director, actor, and artist, Christoph Schlingensief.
 It is operated by Festspielhaus Afrika as a non-proft GmbH (limited company) based in Germany.
 The first phase was completed in November 2011.
Oskar Roehler (born January 21, 1959) is a German film director, screenwriter and journalist.
 He was born in Starnberg as the son of writer Gisela Elsner and the writer Klaus Roehler.
 Since the mid-1980s he has been working as a screenwriter, for, among others, Niklaus Schilling, Christoph Schlingensief and Mark Schlichter.
 Since the early 1990s he has also been working as a film director.
 For his film No Place to Go he won the Deutscher Filmpreis.
 His 2010 film "" was nominated for the Golden Bear at the 60th Berlin International Film Festival.

Question: What do Christoph Schlingensief and Sam Wood have in common?
Answer: director