Question: Were both Ousmane Sembène and Reinhold Schünzel French film directors?

Context articles: Land of Love
Xala
Victor and Victoria
Mandabi
Peter the Mariner
Reinhold Schünzel
Ousmane Sembène
The Count of Cagliostro
You Walk So Softly
Column X

Land of Love (German: Land der Liebe) is a 1937 German romance film directed by Reinhold Schünzel and starring Albert Matterstock, Gusti Huber and Valerie von Martens.
 Although Schünzel was Jewish he had been allowed to continue directing films in Germany after the Nazi takeover.
 However, this film faced objections from the censors and from Joseph Goebbels.
 It was briefly shown and then disappeared from cinemas.
 It was Schünzel's final German film as director, and he went into exile shortly afterwards.
Xala (] , Wolof for "temporary sexual impotence") is a 1975 Senegalese film directed by Ousmane Sembène.
 It is an adaptation of Sembène's 1973 novel of the same name.
 The film depicts El Hadji, a businessman in Senegal, who is cursed with crippling erectile dysfunction upon the day of his marriage to his third wife.
 The film satirizes the corruption in African post-independence governments; El Hadji's impotence symbolizes the failure of such governments to be useful at all.
Viktor and Viktoria (German: Viktor und Viktoria ) is a 1933 German musical comedy film directed by Reinhold Schünzel, starring Renate Müller as a woman pretending to be a female impersonator.
 At the same time Schünzel shot the film in a French-language version as "George and Georgette" starring Meg Lemonnier and a French cast.
Mandabi (English: The Money Order ) is a 1968 film directed by Ousmane Sembène.
 The film is based on Sembène's novel "".
 It is the director's first film in his native Wolof language.
Peter the Mariner (German: Peter der Matrose) is a 1929 German silent comedy drama film directed by Reinhold Schünzel and starring Schünzel, Renate Müller and Hans Heinrich von Twardowski.
 A man goes on a series of travels around the world after discovering that his wife has been unfaithful to him.
Reinhold Schünzel (7 November 1886 – 11 November 1954) was a German actor and director, active in both Germany and the United States.
 The son of a German father and a Jewish mother, he was born in St. Pauli, the poorest part of Hamburg.
 Despite being Jewish, Schünzel was allowed by the Nazis to continue making films for several years until he eventually left to live abroad.
Ousmane Sembène (1 January 1923 – 9 June 2007), often credited in the French style as Sembène Ousmane in articles and reference works, was a Senegalese film director, producer and writer.
 The "Los Angeles Times" considered him one of the greatest authors of Africa and he has often been called the "father of African film".
 Descended from a Serer family through his mother from the line of Matar Sène, Ousmane Sembène was particularly drawn to Serer religious festivals especially the "Tuur festival".
The Count of Cagliostro (German: Der Graf von Cagliostro) is a 1920 Austrian silent horror film directed by Reinhold Schünzel and starring Schünzel, Anita Berber and Conrad Veidt.
 It depicts the life of the eighteenth century Italian adventurer Alessandro Cagliostro.
 The film's art direction was by Oscar Werndorff.
You Walk So Softly (German:Gustav Mond, Du gehst so stille) is a 1927 German silent film directed by Reinhold Schünzel and starring Schünzel, Yvette Darnys and Jakob Tiedtke.
 Schünzel ran into trouble with his superiors at UFA because he had not submitted his screenplay for approval before filming began.
 The film's art direction was by Erich Czerwonski.
Column X (German: Kolonne X) is a 1929 German silent crime film directed by Reinhold Schünzel and starring Schünzel, Ernst Stahl-Nachbaur and Grete Reinwald.
 The film attempted to imitate the style of American crime films, switched to a German setting.