Title: Brian Helgeland
Content:  Brian Thomas Helgeland (born January 17, 1961) is an American screenwriter, film producer and director. He is most known for writing the screenplays for the films L.A. Confidential and Mystic River. He also wrote and directed the films 42, a biopic of Jackie Robinson, and Legend, about the rise and fall of the infamous London gangsters the Kray twins. His work on L.A. Confidential earned him the Academy Award for Best Adapted Screenplay.
Title: Kathryn Scola
Content:  adaptation of the Dashiell Hammett novel, with writer Kubec Glasmon. In 1937, Scola and Darrell Ware collaborated to write the script for the film Second Honeymoon, directed by Walter Lang. In 1943, at the outset of the Second World War, Scola and Julien Josephson wrote the script for Happy Land, a 20th Century Fox production that was meant to prepare audiences for the losses of the war. During 1946, Scola wrote a screenplay for the Max Ophüls 1949 American film noir Caught, which would eventually be rejected by the censorship board due to what was deemed questionable material. Scola’s script was revised by various writers and eventually abandoned, leading to the final screenplay by playwright and screenwriter Arthur Laurents. Scola and Julien Josephson also worked together on the original screenplay for “In Times Like These” in 1956, a teleplay included in the anthology series The 20th Century Fox Hour.
Title: Herman J. Mankiewicz
Content:  Newspaperman (uncredited) ; Rise and Shine (1941) — Writer (screenplay) ; This Time for Keeps (1942) — Writer (characters) ; The Pride of the Yankees (1942) — Writer (screenplay) ; Stand By for Action (1942) — Writer (screenplay) ; The Good Fellows (1943) — Writer (play) ; Christmas Holiday (1944) — Writer ; The Enchanted Cottage (1945) — Writer ; The Spanish Main (1945) — Writer (screenplay) ; A Woman's Secret (1949) — Writer (screenplay), producer ; The Pride of St. Louis (1952) — Writer ; Lux Video Theatre (TV series episode, 1955): The Enchanted Cottage — Writer (original screenplay) He was involved with the following films: 
Title: Adrian Scott
Content:  Scott broke into Hollywood as a screenwriter. He worked on the script for Keeping Company (1940) at MGM, We Go Fast (1941) at 20th Century Fox, and The Parson of Panamint (1941) at Paramount. Scott wrote Mr. Lucky (1943) at RKO, which was a hit.
Title: Howard Koch (screenwriter)
Content:  Koch began writing for Hollywood studios. His first accepted screenplay was made into a 1940 film. Koch contributed to the popular film Casablanca with Humphrey Bogart, which he co-scripted with writers Julius and Philip Epstein in 1942, and for which he received an Academy Award in 1944. He also wrote Shining Victory (1941) and Letter from an Unknown Woman (1948), his favorite screenplay. In 1943, at the request of Jack L. Warner of Warner Bros., Koch wrote the screenplay for Mission to Moscow (1943). The movie subsequently spawned controversy because of its positive portrayal of Joseph Stalin and the Soviet Union. After the war, Koch was fired by Jack Warner after Koch was denounced as a Communist. He was then criticized by 
Title: Richard Brooks
Content:  Success as a screenwriter with Hellinger and Warner Brothers led Brooks to a contract with MGM and the promise of a chance to direct. He wrote two screenplays for the studio before he was given the opportunity. His first film as writer and director, Crisis (1950), starred Cary Grant as a brain surgeon forced to save the life of a South American dictator, played by José Ferrer. His second film, The Light Touch (1951), an art-theft caper film starring Stewart Granger, was shot in Italy. Brooks came into his own when he directed an original screenplay, Deadline – U.S.A. (1952), for 20th Century-Fox, starring his friend Humphrey Bogart. Based on the closing of the 
Title: Golden Raspberry Award for Worst Screenplay
Content:  Harry Met Lloyd, screenplay by Robert Brener and Troy Miller, based on characters created by Peter Farrelly, Bennett Yellin and Bobby Farrelly ; From Justin to Kelly, written by Kim Fuller ; 2004 Catwoman, written by Theresa Rebeck and John Brancato & Michael Ferris and John Rogers ; Alexander, written by Oliver Stone and Christopher Kyle and Laeta Kalogridis ; Superbabies: Baby Geniuses 2, story by Steven Paul, screenplay by Gregory Poppen ; Surviving Christmas, written by Deborah Kaplan & Harry Elfont and Jeffrey Ventimilia & Joshua Sternin ; White Chicks, written by Keenen Ivory & Shawn & Marlon Wayans and Andy McElfresh, Michael Anthony Snowden and Xavier Cook ; 2005 Dirty Love, written by 
Title: Screenwriting
Content:  be the star. ; The Player (1992)&mdash;In this satire of the Hollywood system, Tim Robbins plays a movie producer who thinks he's being blackmailed by a screenwriter whose script was rejected. ; Adaptation (2002)&mdash;Nicolas Cage portrays real-life screenwriter Charlie Kaufman (as well as his fictional brother, Donald) as Kaufman struggles to adapt an esoteric book (Susan Orlean’s real-life nonfiction work The Orchid Thief ) into an action-filled Hollywood screenplay. ; Dreams on Spec (2007)&mdash;The only documentary to follow aspiring screenwriters as they struggle to turn their scripts into movies, the film also features wisdom from established scribes like James L. Brooks, Nora Ephron, Carrie Fisher, and Gary 
Title: Mark Heyman
Content:  for Best Original Screenplay and a Writers Guild of America Award for Best Original Screenplay. Heyman co-wrote The Skeleton Twins, a 2014 film starring Kristen Wiig and Bill Hader as estranged twins, with Craig Johnson, who also directed the film. He has also written a screenplay titled XOXO, which is a thriller about a relationship formed on Facebook and is set to be produced by Aronofsky. In 2015, it was reported that Heyman had been hired to write a film adaptation of How to Catch a Russian Spy, a novel by Naveed Jamali and Ellis Henican, to be directed by Marc Webb.
Title: Suspicion (1941 film)
Content:  In November 1939, Nathanael West was hired as a screenwriter by RKO Radio Pictures, where he collaborated with Boris Ingster on a film adaptation of the novel. The two men wrote the screenplay in seven weeks, with West focusing on characterization and dialogue as Ingster worked on the narrative structure. When RKO assigned Before the Fact to Hitchcock, he already had his own, substantially different, screenplay, credited to Samson Raphaelson, Joan Harrison, and Alma Reville. (Harrison was Hitchcock's personal assistant, and Reville was Hitchcock's wife.) West and Ingster's screenplay was abandoned and never produced. The text of this screenplay can be found in the Library of America's edition of West's collected works.

Question: Who was the screenwriter for 42?
Answer: Brian Helgeland.
Brian Thomas Helgeland.