Title: Meet the Neighbors
Content:  "Meet the Neighbors" or "Pilot" is the pilot episode of the American television science fiction sitcom The Neighbors. It was slated to air on the American Broadcasting Company (ABC) on September 26, 2012. The episode was written by Dan Fogelman, and directed by Chris Koch. The episode generally received negative reviews. The concept of The Neighbors was devised by Fogelman, who previously wrote the films Cars, Cars 2 and Tangled. Although it is a comedy series, its script was cited as potentially being too complex for mainstream American television. Fogelman conceived The Neighbors after a visit to the gated community where his mother lived.
Title: Neighbors (1981 film)
Content:  Neighbors is a 1981 American black comedy film based on the novel of the same name by Thomas Berger. It was released through Columbia Pictures, was directed by John G. Avildsen, and starred John Belushi, Dan Aykroyd, Cathy Moriarty, and Kathryn Walker. The film takes liberties with Berger's story and features a more upbeat ending. The screenplay of the film is officially credited to Larry Gelbart, although it was extensively rewritten to Gelbart's public disapproval. Released two and a half months before John Belushi's death, the film marks his last film performance.
Title: The Neighbors (2012 TV series)
Content:  The single-camera comedy was originally produced for ABC Studios and Warner Bros. Television, but Warner Bros. Television was replaced by company Kapital Entertainment. Dan Fogelman, Chris Koch, Jeff Morton, and Aaron Kaplan executive produce the series. Chris Koch signed on to direct the pilot episode, which was written by Fogelman.
Title: Brendan O'Brien (screenwriter)
Content: Neighbors (2014, writer) ; Neighbors 2: Sorority Rising (2016, writer) ; Mike and Dave Need Wedding Dates (2016, writer) ; The House (2017, writer) 
Title: The Neighbors (2012 TV series)
Content:  The Neighbors is an American television science fiction sitcom that aired from September 26, 2012, to April 11, 2014, on ABC. The story line revolves around a family of humans living in a community of extraterrestrials. The series was created by Dan Fogelman, who also served as executive producer. Chris Koch, Jeffrey Morton, and Aaron Kaplan served as co-producers, and the first season was produced by ABC Studios and Kapital Entertainment. On October 29, 2012, The Neighbors was given a full-season order of 22 episodes. Its first season aired on ABC on Wednesdays at 8:30 pm Eastern/7:30 pm Central in the 2012–2013 television season. On May 11, 2013, The Neighbors was officially renewed for a second season, which aired on Fridays at 8:30 pm Eastern/7:30 pm Central. On May 9, 2014, ABC canceled the series after two seasons.
Title: Neighbors (2014 American film)
Content:  Seth Rogen and Zac Efron became attached to the film before it was pitched to studios. Universal and New Line Cinema put in bids for the film, with Universal eventually securing the rights of the then-untitled project in July 2011, which was written by Andrew J. Cohen and Brendan O'Brien. The script was written shortly after. It was inspired by Cohen and O'Brien's fear of adulthood. In May 2012, Nicholas Stoller was in talks to direct the film. The story was originally about Rogen's character and students in a frat but as it was too similar to Old School, Stoller changed the focus on Rogen's character and his wife against the frat students. Producer 
Title: Brendan O'Brien (screenwriter)
Content:  Brendan O'Brien is an American screenwriter, best known for writing 2014 film Neighbors along with Andrew J. Cohen.
Title: List of The Neighbors characters
Content:  The Neighbors is a sci-fi sitcom about aliens in Bayonne, New Jersey. The main cast includes Jami Gertz, Lenny Venito, Simon Templeman, Toks Olagundoye, Clara Mamet, Tim Jo, Ian Patrick, Max Charles, and Isabella Cramp.
Title: Andrew J. Cohen
Content:  In 2014, Cohen co-wrote the script for the comedy film Neighbors along with O'Brien, starring Zac Efron and Seth Rogen. The film was directed by Nicholas Stoller and released on May 9, 2014. Cohen and O'Brien also co-wrote the scripts for two 2016 films, Neighbors 2: Sorority Rising and Mike and Dave Need Wedding Dates. Cohen made his directing debut with the 2017 comedy film The House, which he co-wrote with O'Brien.
Title: Neighbors (2014 American film)
Content:  improvisation. Principal photography began in April 2013 and was completed by the end of May 2013 in Los Angeles, United States. Filming lasted 38 days. The two houses used in the film are situated in the West Adams District of Los Angeles. Cameras and iPhones were distributed to extras, partygoers, and cast members for additional first-person perspective. On August 26, 2013, the film's original title Townies was changed to Neighbors. The film was released as Bad Neighbours outside of the U.S., to prevent confusion with the similarly titled Australian soap opera. A "work-in-progress" cut of the film was screened on March 8, 2014, at The Paramount Theatre in Austin, Texas during South by Southwest.

Question: Who was the screenwriter for Neighbors?
Answer: Larry Gelbart.
Larry Simon Gelbart.