Question: The Doomsday Flight is a film written by a screenwriter known as the what of Hollywood?
Context: Rodman Edward "Rod" Serling (December 25, 1924 – June 28, 1975) was an American screenwriter, playwright, television producer, and narrator known for his live television dramas of the 1950s and his science-fiction anthology TV series, "The Twilight Zone".  Serling was active in politics, both on and off the screen, and helped form television industry standards.  He was known as the "angry young man" of Hollywood, clashing with television executives and sponsors over a wide range of issues including censorship, racism, and war. Mahesh Bhatt (born 20 September 1948) is an Indian film director, producer and screenwriter known for his works exclusively in Hindi cinema.  A stand-out film from his earlier period is "Saaransh" (1984), screened at the 14th Moscow International Film Festival.  It became India's official entry for the Academy Award for Best Foreign Language Film for that year.  The 1986 film "Naam" was his first piece of commercial cinema.  In 1987, he turned producer with the film "Kabzaa" under the banner, "Vishesh Films", with his brother Mukesh Bhatt. Doomsday is a 2008 science fiction action horror film written and directed by Neil Marshall.  The film takes place in the future in Scotland, which has been quarantined because of a deadly virus.  When the virus is found in London, political leaders send a team led by Major Eden Sinclair (Rhona Mitra) to Scotland to find a possible cure.  Sinclair's team runs into two types of survivors: marauders and medieval knights.  "Doomsday" was conceived by Marshall based on the idea of futuristic soldiers facing medieval knights.  In producing the film, he drew inspiration from various movies, including "Mad Max", "Escape from New York" and "28 Days Later". Gunasekar (Telugu: గుణశేఖర్ ); (born Gunasekar Karri; 2 June 1964) is an Indian film director and screenwriter known for his works exclusively in Telugu cinema.  Gunasekhar directed the Children's classic "Ramayanam" (1997), which won the National Film Award for Best Children's Film, including several state Nandi Awards for that year, and was screened at the International Children’s Film Festival of India. The World, the Flesh and the Devil is a 1959 American science fiction doomsday film written and directed by Ranald MacDougall.  The film stars Harry Belafonte, who was then at the peak of his film career.  The film is set in a post-apocalyptic world with very few human survivors.  It is based on two sources: the novel "The Purple Cloud" by M. P. Shiel and the story "End of the World" by Ferdinand Reyher. Bejoy Nambiar (Malayalam: ബിജോയ് നമ്പ്യാർ ; born 12 April 1979) is an Indian film director, and screenwriter known for his work in Bollywood.  He is mostly known for his critically acclaimed short films, "Rahu" and "Reflections", starring Mohanlal.  He was the winner of Sony PIX’ s Gateway to Hollywood, as the best director judged by Ashok Amritraj, Rajat Kapoor and Anurag Basu.  He marked his feature film debut with the thriller "Shaitan" (2011).  His second feature film was a bilingual gangster-comedy film called "David".  His latest Bollywood film was Wazir (2016), starring Amitabh Bachchan and Farhan Akhtar.  He has also directed a short video 'Sachinocalypse' for All India Bakchod.  He was one of the jury members for India Film Project in 2013. Nagraj Manjule is an Indian filmmaker and screenwriter known for film Sairat and his first short film "Pistulya" for which he received National Film Award in Non-Feature Film category. Prawaal Raman is an Indian film director and screenwriter known for his works in Hindi cinema.  He has written and directed films like "Darna Mana Hai" (2003), "Gayab" (2004), "Darna Zaroori hai" (2006), "404" (2011) and "Main Aur Charles" (2015). Countdown to Doomsday (German: "Fünf vor 12 in Caracas" , Italian: "Inferno a Caracas" , French: "Ça casse à Caracas" ) is a 1967 German-Italian-French Eurospy film written and directed by Marcello Baldi and starring George Ardisson.  It was the last spy film of Ardisson.  The film was a box office disappointment. The Doomsday Flight is a 1966 television-disaster film written by Rod Serling and directed by William Graham.  The cast includes Jack Lord, Edmond O'Brien, Van Johnson, Katherine Crawford, John Saxon, Richard Carlson and Ed Asner.
Answer: "angry young man"