Peter Segal (born 1962) is an American film director, producer, screenwriter and actor.
 Segal has directed the comedy films "Tommy Boy" (1995), "My Fellow Americans" (1996), "" (2000), "Anger Management" (2003), "50 First Dates" (2004), "The Longest Yard" (2005), "Get Smart" (2008), " Grudge Match" (2013).
Night Shift is a 1982 American comedy film, directed by Ron Howard, concerning a timid night shift morgue employee whose life is turned upside down by a free-spirited entrepreneur.
 It stars Howard's "Happy Days" co-star Henry Winkler along with Michael Keaton, in his first starring role, and Shelley Long.
 Also appearing are Richard Belzer and Clint Howard.
 A young Kevin Costner has a brief scene as "Frat Boy #1", Shannen Doherty appears as a Bluebell scout, Vincent Schiavelli plays a man who delivers a sandwich to Winkler's character, and Charles Fleischer has a brief role as one of the jail prisoners.
The Waterboy is a 1998 American sports comedy film directed by Frank Coraci (who also appears in a cameo role), starring Adam Sandler, Kathy Bates, Fairuza Balk, Henry Winkler, Jerry Reed (his last film role before his death in 2008), Larry Gilliard, Jr., Blake Clark, Peter Dante and Jonathan Loughran, and produced by Robert Simonds and Jack Giarraputo.
Henry Franklin Winkler (born October 30, 1945) is an American actor, director, comedian, producer, and author.
Grudge Match is a 2013 sports comedy film starring Robert De Niro and Sylvester Stallone as aging boxers stepping into the ring for one last bout.
 Stallone and De Niro have both previously been in successful boxing films ("Rocky" and "Raging Bull", respectively) and worked together in "Cop Land".
 The film is directed by Peter Segal.
 It was previously scheduled for a January 10, 2014 release, but was moved up to December 25, 2013.
Get Smart is a 2008 American action comedy film directed by Peter Segal, written by Tom J. Astle and Matt Ember and produced by Leonard B. Stern, who is also the original series' producer.
 The film is based on Mel Brooks and Buck Henry's classic television series of the same name.
"Hank Zipzer" is a children's television series which stars Nick James in the titular role as a 12-year-old dyslexic schoolboy.
 The show is based on the series of books by Henry Winkler, who plays the character of Mr. Rock, Hank's music teacher.
 The first series premiered in January 2014 on CBBC and a second and third series have been commissioned.
 Unlike the books that took place in America, the series takes place in Britain.
 The second series began airing on 13 August 2015.
 Javone Prince made his first appearance as Mr Joy in series 2, episode 5, "Hank's Hero".
 The third series began airing on 26 May 2016, which was followed by an 84-minute Christmas movie on 12 December 2016.
 A fourth series has been confirmed by Winkler.
50 First Dates is a 2004 American romantic comedy film directed by Peter Segal and written by George Wing.
 The film stars Adam Sandler as a veterinarian and Drew Barrymore as an amnesiac, along with Rob Schneider, Sean Astin, Lusia Strus, Blake Clark, and Dan Aykroyd.
 Most of the film was shot on location in Oahu, Hawaii on the Windward side and the North Shore.
 Sandler and Barrymore won an MTV award.
 The fictitious memory impairment suffered by Barrymore's character, Goldfield's Syndrome, is similar to short term memory loss and anterograde amnesia.
 The 2014 Malayalam film "Ormayundo Ee Mukham" is inspired by "50 First Dates".
Nutty Professor II: The Klumps is a 2000 American romantic comedy science fiction film directed by Peter Segal.
 It is a sequel to the 1996 film "The Nutty Professor" and stars Eddie Murphy.
 As in the original film, Murphy plays not only the inept but brilliant scientist, Sherman Klump, but also (wearing different, but equally elaborate makeup) most of Sherman's family.
Tommy Boy is a 1995 American road comedy film directed by Peter Segal, written by Bonnie and Terry Turner, produced by Lorne Michaels, and starring former "Saturday Night Live" castmates and close friends Chris Farley and David Spade.
 The film was shot primarily in Toronto and Los Angeles under the working title "Rocky Road".
 It tells the story of a socially and emotionally immature man (Farley) who learns lessons about friendship and self-worth following the sudden death of his industrialist father.
 The film did well commercially, but received mixed reviews from critics.
 However, since its release, "Tommy Boy" has become a cult classic due to being very successful on home video.

Question: are Peter Segal and Henry Winkler both authors ?
Answer: no