Question: Are Hans Weingartner and Viktor Gertler film directors?

Context paragraphs:
Hut in the Woods: Hut in the Woods (German: "Die Summe meiner einzelnen Teile" ) is a 2011 German drama film directed by Hans Weingartner.

Bangladesh Film Directors Association: Bangladesh Film Directors Association is the pan-national trade body of film directors in Bangladesh.  The Bangladesh Film Directors Association’s General Secretary is Badiul Alam Khokon.  Mushfiqur Rahman Gulzar is the president of Bangladesh Film Directors Association.

Stipe Erceg: Stipe Erceg (] ; born 30 October 1974) is a German/Croatian actor.  He is notable for playing the role of Peter in the 2004 Hans Weingartner film "The Edukators" alongside Daniel Brühl and Julia Jentsch, as well as the role of Holger Meins in "The Baader Meinhof Complex".

The White Sound: The White Sound (German: Das weisse Rauschen ) is the directorial debut of Austrian director Hans Weingartner and co-director and screenplay writer Tobias Amann.  The film was the idea of both students as part of a separate project at the Academy of Media Arts Cologne.  The film premiere was at Cinenova-Kino in Cologne-Ehrenfeld and the film appeared throughout German cinemas on 31 January 2002.

Hans Weingartner: Hans Weingartner (born 2 November 1977) is an Austrian author, director and producer of films.  Born in Feldkirch, Vorarlberg, he attended the Austrian Association of Cinematography and earned a diploma as a camera assistant.  Later, he did a postgraduate at the Academy of Media Arts KHM in Cologne, Germany.  He also has studied neuroscience at the University of Vienna and graduated from the neurosurgical department at the Free University of Berlin’s Steglitz Clinic.

Viktor Gertler: Viktor Gertler (24 August 1901 – 5 July 1969) was a Hungarian film editor and director active between the 1930s and 1960s.

Reclaim Your Brain: Reclaim your Brain (German: "Free Rainer – Dein Fernseher lügt" ) is a 2007 German film directed by Hans Weingartner.

Marika (film): Marika is a 1938 Hungarian comedy drama film directed by Viktor Gertler and starring Pál Jávor, Lia Szepes and Zita Perczel.  The film is based on a play by István Zágon, which was later adapted as the German film "Marili".  The sets were designed by Márton Vincze.  After his wife dies, Orbán Sándor adopts his stepdaughter Marika.  However, once she grows into a woman she falls in love with him.

The State Department Store: The State Department Store (Hungarian: Állami áruház) is a 1953 Hungarian musical comedy film directed by Viktor Gertler and starring Miklós Gábor, Kálmán Latabár and Kamill Feleki.  The film is set in and around a Budapest department store, whose employees are battling against black marketeers.

The Edukators: The Edukators (German: Die fetten Jahre sind vorbei ) is a 2004 German-Austrian crime drama film directed by Hans Weingartner.  It stars Daniel Brühl, Stipe Erceg and Julia Jentsch as three young, anti-capitalist Berlin activists involved in a love triangle.  The friends, calling themselves "the Edukators", invade upper-class houses, rearrange the furniture, and leave notes identifying themselves.

Supporting paragraphs: Hans Weingartner Viktor Gertler
Answer: yes