Question: What profession does Frank Pierson and István Szabó have in common?

Context articles: Father (1966 film)
Gábor Szabó
Sweet Emma, Dear Böbe
Meeting Venus
István Szabó
Cinema of Hungary
Budapest Tales
Sunshine (1999 film)
Bizalom
Frank Pierson

Father (Hungarian: Apa ) is a 1966 Hungarian drama film written and directed by István Szabó.
 The film is a coming of age story.
 The main character copes with his childhood loss of his father against the backdrop of the Hungarian Revolution of 1956 and memories of the Arrow Cross dictatorship.
Gábor István Szabó (8 March 1936 – 26 February 1982) was a guitarist whose style incorporated jazz, pop, rock, and Hungarian music.
Sweet Emma, Dear Böbe (Hungarian: Édes Emma, drága Böbe - vázlatok, aktok ) is a 1992 Hungarian drama film directed by István Szabó.
 It was entered into the 42nd Berlin International Film Festival where it won the Silver Bear - Special Jury Prize.
 The film was selected as the Hungarian entry for the Best Foreign Language Film at the 65th Academy Awards, but was not accepted as a nominee.
Meeting Venus is a 1991 British–American-Japanese film directed by the Hungarian director István Szabó and starring Glenn Close, Niels Arestrup, Marián Labuda, Victor Poletti, Jay O. Sanders, Maria de Medeiros and Johanna ter Steege.
 The movie was filmed in Budapest, Hungary.
István Szabó (] ; born February 18, 1938) is a Hungarian film director, screenwriter, and opera director.
Hungary has had a notable cinema industry from the beginning of the 20th century, with Hungarians who affected the world of motion picture both inside and outside the borders.
 The former could be characterised by directors István Szabó, Béla Tarr, or Miklós Jancsó, the latter by William Fox, who founded Fox Studios, Alexander Korda, playing a leading role in start of Britain's film industry, or Adolph Zukor, founder of Paramount Pictures.
 Examples of successful Hungarian films include "Merry-go-round", "Mephisto", "Werckmeister Harmonies", and "Kontroll".
Budapest Tales (Hungarian: "Budapesti mesék" ) is a 1976 Hungarian drama film directed by István Szabó.
 It was entered into the 1977 Cannes Film Festival.
Sunshine is a 1999 historical drama film directed by István Szabó and written by Israel Horovitz and Szabó.
 It follows five generations of a Hungarian Jewish family, originally named Sonnenschein (German: ""sunshine"" ), later changed to Sors (Hungarian: ""fate"" ), during changes in Hungary, focusing mostly on the three generations from the late 19th century through the mid-20th century.
 The family story traverses the creation of the Austro-Hungarian Empire through to the period after the 1956 Revolution, while the characters are forced to surrender much of their identity and endure family conflict.
 The central male protagonist of all three generations is portrayed by Ralph Fiennes.
 The film's stars include Rachel Weisz and John Neville, with the real-life daughter and mother team of Jennifer Ehle and Rosemary Harris playing the same character across a six-decade storyline.
Bizalom (English: Confidence ) is a 1980 Hungarian film directed by István Szabó.
 The film is set in World War II involving a couple escaping from the Nazis.
 Critically acclaimed, it won Szabó the Silver Bear for Best Director at the 30th Berlin International Film Festival and was nominated for the Academy Award for Best Foreign Language Film at the 53rd Academy Awards.
Frank Romer Pierson (May 12, 1925 – July 22, 2012) was an American screenwriter and film director.