Question: Which of the two men, Paul Schrader and Percy Adlon, is German director, sceenwriter and producer?

Context articles: Céleste (film)
Percy Adlon
Younger and Younger
Mahler on the Couch
Rosalie Goes Shopping
Bagdad Cafe (TV series)
Salmonberries
Leonard Schrader
Paul Schrader
Bagdad Café

Céleste is a 1982 German film by Percy Adlon about the life of the French writer Marcel Proust as he lay in his bed from 1912 to 1922; the story is told through the eyes of his real life maid, Céleste Albaret.
 She waited decades before writing her own book about the experience which was adapted for the screen by Percy Adlon.
Paul Rudolf Parsifal "Percy" Adlon (] ; born 1 June 1935) is a German director, screenwriter, and producer.
 He is best known for his film "Bagdad Café".
 He is associated with the New German Cinema movement, whose "members" also include Werner Herzog and the illustrious Rainer Werner Fassbinder.
Younger And Younger is 1993 American comedy film directed by Percy Adlon.
Mahler on the Couch (German: Mahler auf der Couch ) is a 2010 German film directed by Percy Adlon and Felix Adlon.
 It is an historical drama depicting an affair between Alma Mahler and Walter Gropius, and the subsequent psychoanalysis of Mahler's husband Gustav Mahler by Sigmund Freud.
Rosalie Goes Shopping is a 1989 English-language German film directed by Percy Adlon and starring Marianne Sägebrecht, Brad Davis, and Judge Reinhold.
Bagdad Cafe is an American television sitcom starring Whoopi Goldberg and Jean Stapleton that aired on CBS.
 The series premiered March 30, 1990, and ran two seasons before being cancelled in winter 1990.
 The last two episodes aired in July 1991.
 The show is based on the 1987 Percy Adlon film "Bagdad Cafe".
Salmonberries is a 1991 drama film directed by Percy Adlon and written by Adlon and his son Felix.
 It stars k.d. lang as Kotzebue, a young woman of androgynous appearance who works as a (male) miner in Alaska, and Rosel Zech as Roswitha, an East German immigrant and librarian.
 The film takes place in Kotzebue, Alaska and Berlin, Germany, shortly after reunification; the dialog is mostly English but includes some German with English subtitles.
Leonard Schrader (November 30, 1943 – November 2, 2006) was an American screenwriter and director, most notable for his ability to write Japanese language films and for his many collaborations with his brother, Paul Schrader.
 He earned an Academy Award Nomination for the screenplay he wrote for the film "Kiss of the Spider Woman".
Paul Joseph Schrader (born July 22, 1946) is an American screenwriter, film director, and film critic.
 Schrader wrote or co-wrote screenplays for four Martin Scorsese films: "Taxi Driver" (1976), "Raging Bull" (1980), "The Last Temptation of Christ" (1988), and "Bringing Out the Dead" (1999).
 Schrader has also directed 18 feature films, including his directing debut crime drama, "Blue Collar" (co-written with his brother, Leonard Schrader), the crime drama "Hardcore" (a loosely autobiographical film also written by Schrader), his 1982 remake of the horror classic "Cat People", the crime drama "American Gigolo" (1980), the biographical drama "" (1985), the cult film "Light Sleeper" (1992), the drama "Affliction" (1997), the biographical film "Auto Focus" (2002), and the erotic dramatic thriller "The Canyons" (2013).
Bagdad Café (also known as Out of Rosenheim) is a 1987 German film directed by Percy Adlon.
 It is a comedy-drama set in a remote truck-stop café and motel in the Mojave Desert in the US state of California.
 Loosely based on Carson McCullers' novella "The Ballad of the Sad Café" (1951), the film centers on two women who have recently separated from their husbands, and the blossoming friendship that ensues.
 It runs 95 minutes in the U.S. and 108 minutes in the German version.