Title: Widows' Peak
Content:  Widows' Peak is a 1994 British-Irish mystery film directed by John Irvin and starring Mia Farrow, Joan Plowright, Natasha Richardson, Adrian Dunbar and Jim Broadbent. The film is based on an original screenplay by Hugh Leonard and Tim Hayes.
Title: Widows (2018 film)
Content:  The project was announced as being in development on March 27, 2015, with a script written by Gillian Flynn and Steve McQueen, and with McQueen attached to direct. In September 2016, Viola Davis joined the cast. It was reported that Jennifer Lawrence was approached for a role, but, due to scheduling conflicts, had to decline. In November 2016, Cynthia Erivo joined the cast. In January 2017, André Holland entered negotiations to co-star in the film, but does not appear in the finished product. The next month, Elizabeth Debicki was cast in the role Lawrence had declined, and Michelle Rodriguez and Daniel Kaluuya were also announced as cast members. In March, Liam Neeson joined the cast. The following month, Colin Farrell 
Title: Widows (2018 film)
Content:  Widows is a 2018 heist thriller film directed by Steve McQueen from a screenplay by Gillian Flynn and McQueen, based upon the 1983 British television series of the same name. The plot follows four Chicago women who attempt to steal $5,000,000 from the home of a prominent local politician in order to pay back a crime boss from whom $2,000,000 was stolen by the women's husbands before they were killed in a botched getaway attempt. A British-American co-production, the film features Viola Davis, Michelle Rodriguez, Elizabeth Debicki, Cynthia Erivo, Colin Farrell, Brian Tyree Henry, Daniel Kaluuya, Jacki Weaver, Carrie Coon, Robert Duvall, and Liam Neeson 
Title: The Widows' Adventures
Content:  In 2008, Variety reported that Diane Keaton and Jane Fonda had signed on to star in the film adaptation of the novel, based on a spec script written by Jason Pomerance. The film was to be produced by Paul Brooks of Gold Circle Films.
Title: Widows (2018 film)
Content:  added along with Robert Duvall. In May, Garret Dillahunt, Jacki Weaver, Manuel Garcia-Rulfo, Lukas Haas and Brian Tyree Henry were set to co-star,    and in June, Carrie Coon was added. Michael Harney and Jon Bernthal joined the cast in August. The British actress Ann Mitchell, who had portrayed Dolly Rawlins in the television series, has a small part as Amanda's mother. Principal photography began on May 8, 2017 in Chicago, Illinois. Hans Zimmer composed the film's score with additional music provided by Steve Mazzaro. The soundtrack, released by Milan Records, includes the score as well as songs by Nina Simone, and the Cool Kids, as well as a new song "The Big Unknown" by Sade later released as a single.
Title: Widows (2018 film)
Content:  an ensemble cast. Widows premiered at the Toronto International Film Festival on September 8, 2018, and was theatrically released in the United Kingdom on November 6, 2018 and in the United States on November 16, by 20th Century Fox. The film received critical acclaim, with praise aimed at its direction, editing, screenplay and performances (particularly Davis, Debicki and Kaluuya), with critics crediting it for blending "dramatic themes with popcorn thrills". The film grossed $76 million worldwide on a production budget of $42 million and received several award nominations, among them being one for Davis for the BAFTA Award for Best Actress in a Leading Role.
Title: Widows (TV series)
Content:  Widows is a British primetime television crime drama that was broadcast in 1983 and 1985, produced by Euston Films for Thames Television and aired on the ITV network. Two six-part series were written by crime writer Lynda La Plante. The executive producer for the series was Verity Lambert. In 1984 it was nominated for the British Academy Television Award for Best Drama Series or Serial.
Title: Widows (2011 film)
Content:  Widows (Viudas) is a 2011 Argentine dramatic comedy film directed by Marcos Carnevale. The film was the second highest grossing non-US film in Argentina in 2011.
Title: Black Widower
Content:   "Black Widower" was written by Jon Vitti and directed by David Silverman. The staff wanted an episode involving a "mystery", so executive producer Sam Simon approached Thomas Chastain, head of the organization Mystery Writers of America, to help construct the mystery. A number of clues leading up to the revelation at the end were inserted into the script so viewers would be able to solve the mystery on their own. As the episode was being written, the writers had their eyes towards winning an Edgar Award, which is awarded by the Mystery Writers of America to the best mystery fiction in print, television and film published or produced in the past year. Despite their efforts, "Black Widower" was not nominated for an Edgar Award. In the 
Title: Widows' Peak
Content:  In 1995, the actress Natasha Richardson received the Crystal Globe award at the Karlovy Vary International Film Festival, Czech Republic, for her role in this film. The director, John Irvin, was also nominated for this award. It received the best picture award at the 1995 Austin Film Festival.

Question: Who was the screenwriter for Widows' Peak?
Answer: Hugh Leonard.