Question: What is the name of this American film and theatre producer and writer who was best known for producing Jaws and produced A Few Good Men on Broadway?

Context articles: Mark Nelson (actor)
John Gromada
A Few Good Men (play)
Lee Summers
David Fishelson
Aaron Sorkin
Buddy Freitag
Good Men
Martin Manulis
David Brown (producer)

Mark Nelson is an American actor, director and teacher.
 He appeared on Broadway in "The Invention of Love," "After the Fall" and "Three Sisters" at Roundabout Theatre Company, and the original casts of "A Few Good Men", "Rumors", "Biloxi Blues" and "Amadeus".
 For his performance as Einstein in Steve Martin's "Picasso at the Lapin Agile" he received the Obie, Drama League, Carbonell and San Francisco Critics Awards.
 He played Herr Schultz in the 2016 national tour of "Cabaret," and acted off-Broadway in "My Name is Asher Lev" for which he received a Lortel nomination.
 Other roles include Shylock in "The Merchant of Venice" at The Shakespeare Theater, Uncle Vanya (in Bartlett Sher's production at the Intiman Theatre), Matt in "Talley's Folly" (Berkshire Theatre Festival), Bluntschli in "Arms and the Man" (Long Wharf Theatre) and two solo pieces: "I Am My Own Wife" by Doug Wright (Carbonell Award) and "Underneath the Lintel" by Glen Berger (Connecticut Critics Award).
 His TV work includes roles on "Unforgettable", “Law & Order” and “Spin City.”
 He teaches acting at Princeton University and at New York's HB Studio.
 He has directed at Manhattan Theatre Club, Drama Dept., McCarter Theatre, George Street Playhouse, and Chautauqua Theatre Company, and is a frequent guest director at the Juilliard School.
 He graduated from Princeton and then studied acting with Uta Hagen.
 In 2013 he received a Lunt-Fontanne Fellowship.
John Gromada (born 1964) is a prolific, award-winning composer and sound designer.
 He is best known for his many scores for theatrical productions in New York on and off-Broadway and in regional theatres.
 Broadway plays he has scored include the 2014 production of "The Elephant Man", starring Bradley Cooper, "The Trip to Bountiful" with Cicely Tyson, Gore Vidal's,"The Best Man (play)", "Seminar (play)" by Theresa Rebeck,"Next Fall (play)", Chazz Palminteri's "A Bronx Tale", David Auburn's "The Columnist", and "Proof", Lisa Kron's "Well", "Rabbit Hole", and "A Few Good Men" ; revivals of "Prelude to a Kiss", "Summer and Smoke", "Twelve Angry Men" and "A Streetcar Named Desire".
 His score for the nine-hour production of Horton Foote's "The Orphans' Home Cycle "was featured at the Hartford Stage Company and Signature Theatre in New York.
 Gromada also designed the sound for the Broadway production of Bruce Norris' Tony award-winning play", Clybourne Park
A Few Good Men is a play by Aaron Sorkin, first produced on Broadway by David Brown in 1989.
 It tells the story of military lawyers at a court-martial who uncover a high-level conspiracy in the course of defending their clients, two United States Marines accused of murder.
Lee Summers (born 1958) is an American theatre, television and film actor, singer, librettist, composer, director and theatre producer best known for creating and producing Off-Broadway's "From My Hometown".
David J. "Dave" Fishelson (born July 24, 1956) is an American producer, playwright, and director for film, theatre, television and radio, based in Manhattan since 1982.
 He is best known for being the lead producer of "Golda's Balcony", the longest-running one-woman show in Broadway history (2003–05); and for being the founder/producer of Manhattan Ensemble Theatre ("MET"), an award-winning Off-Broadway theatre company located in SoHo, New York City.
 As a filmmaker, his work has been broadcast on PBS, exhibited theatrically, and selected for 12 international film festivals (winning at 3).
 As a theatre producer and playwright (both on Broadway and off), his work has garnered 31 nominations (winning 11) from the Tony, Drama Desk, Outer Critics Circle, Obie, Drama League, Lortel, Blackburn Prize and Touring Broadway awards organizations, while landing on Time Out NY's year-end "Best in Theatre" list on 4 different occasions.
Aaron Benjamin Sorkin (born June 9, 1961) is an American screenwriter, director, producer and playwright.
 His works include the Broadway plays "A Few Good Men" and "The Farnsworth Invention"; the television series "Sports Night", "The West Wing", "Studio 60 on the Sunset Strip" and "The Newsroom"; and the films "A Few Good Men", "The American President", "Charlie Wilson's War", "Moneyball" and "Steve Jobs".
 For writing "The Social Network", he won the Oscar for Best Adapted Screenplay, among other awards.
 He made his feature directorial debut in 2017 with "Molly's Game", which he also wrote.
Edgar "Buddy" Freitag (1932 – May 30, 2012) was an American Broadway theatre producer, especially from 2007 to 2012.
 Freitag produced numerous Broadway musicals and shows in partnership with his wife, producer Barbara Freitag.
 His most recent credits included the 2011 Broadway revival of "Porgy and Bess", "Nice Work If You Can Get It" in 2012, "End of the Rainbow" in 2012, and Memphis in 2009.
Good Men is a 12-minute short film starring Ed Asner and Mark Rydell, written & directed by Brian Connors and produced by Sean Tracey.
 Associate Producers were Dean Jamali, Neal Wilde, Tom Downey, Phil Gillin, and Mehrdad Sahafi.
 This micro-budget, two-character film was shot in one day.
 The drama takes place on an afternoon before an Oscar party.
 Asner & Rydell get into an argument over the Holocaust, the proposed mosque at ground zero and the conspiracy allegations surrounding the 9/11 attacks on the World Trade Center.
 "Good Men" won Best Short at The Los Angeles Arthouse Film Festival in 2012 and screened in numerous cities around the U.S. as well as around the world.
Martin Ellyot Manulis (May 30, 1915 – September 28, 2007) was an American television, film, and theatre producer.
 Manulis was best known for his work in the 1950s producing the CBS Television programs "Suspense", "Studio One Summer Theatre", "Climax!
", "The Best of Broadway" and "Playhouse 90".
 He was the sole producer of the award-winning drama series, "Playhouse 90", during its first two seasons from 1956 to 1958.
David Brown (July 28, 1916 February 1, 2010) was an American film and theatre producer and writer who was best known for coproducing the 1975 film Jaws based on the best-selling novel by Peter Benchley.