Question: Who is an American film director, producer, and writer, Herk Harvey or Sean S. Cunningham ?

Context paragraphs:
Paul Leder: Paul Leder ( March 25, 1926 – April 9, 1996) was an American film director, writer and producer.  He is most famous today for his films "A*P*E" and "I Dismember Mama".  He is the father of modern-day producer and director Mimi Leder with wife Etyl Leder, and writer Reuben Leder as well as Emmy-winning Casting Director Geraldine Leder.  Paul Leder died of lung cancer on April 8, 1996 at age 70.

Art Ellison: Arthur Wayland "Art" Ellison (1899–1994) was an actor and director who worked for the Kansas City Power and Light Company for forty-eight years before becoming a professional actor.  Prior to that, he had appeared in scores of amateur stage productions in the Kansas City area.  He was born in Potsdam, New York and he died in Kansas City, Missouri.  Director Herk Harvey speculated that Art Ellison had acted in more industrial and educational films than any other, including some directed by a young Robert Altman.  He is best known for his part in the 1962 cult-classic horror film "Carnival of Souls".

Herk Harvey: Harold Arnold Harvey (June 3, 1924 – April 3, 1996) — known as Herk Harvey — was an American film director, screenwriter, actor and film producer.

Mary Sweeney: Mary Sweeney is an American film producer, director, writer and film editor, who collaborated for 20 years with her husband, avant-garde American film director, David Lynch.  Sweeney worked with Lynch on several films and television series, most notably the original "Twin Peaks" series (1990), "Lost Highway" (1997), "The Straight Story", (1999) and "Mulholland Drive" (2001).  Sweeney is the Dino and Martha De Laurentiis Endowed Professor in the Writing Division of the School of Cinematic Arts at the University of Southern California.  She is the Chair of the Film Independent Board of Directors.

Sean S. Cunningham: Sean Sexton Cunningham (born December 1, 1941) is an American film director, producer, and writer.

Dave Campfield: Dave Campfield is an American film director, producer, screenwriter and actor.  He is the director of several feature films, including "Dark Chamber" and "Caesar and Otto's Summer Camp Massacre".  His latest film Caesar and Otto's Paranormal Halloween featuring Deron Miller, Felissa Rose, Tiffany Shepis, Vernon Wells, Sean Whalen, Andre Gower, and Brinke Stevens is set to make its world premiere at the 2015 Florida Supercon in Miami, FL.  Campfield has won over ten awards at indie film festivals including Best Actor for Caesar and Otto's Deadly Christmas at the Horrific Film Festival of San Antonio, TX and Best Screenplay at the Macabre Faire Film Festival of New York.  Campfield also hosted inravio.com's online program Nerdgasm from 2013–14

Jeannine Taylor: Jeannine Alice Taylor (born June 2, 1954) is an American film, stage, and television actress.  She is best known for her role as Marcie Cunningham in Sean S. Cunningham's 1980 horror film "Friday the 13th".  From 1980 to 1981, Taylor portrayed the lead, Madame Trentoni / Aurelia Johnson, in Robert Kalfin's Off-Broadway production "Hijinks!"  and has had roles in several stage productions including Jenny in "The Umbrellas of Cherbourg" (1979) and Henrietta in "Robert and Elizabeth" (1984).

Carnival of Souls: Carnival of Souls is a 1962 American independent horror film starring Candace Hilligoss.  The film was produced, co-written and directed by Herk Harvey for an estimated $33,000.  "Carnival of Souls" was Harvey's only feature film, and did not gain widespread attention when originally released as a double feature with "The Devil's Messenger."  Today, however, it is regarded as a cult classic.  Its plot follows a young woman whose life is disturbed after a car accident, finding herself drawn to the pavilion of an abandoned carnival.

Jack Harvey (director): John Joseph Harvey, also known as Jack Harvey (September 16, 1881 in Cleveland, Ohio - November 9, 1954 in Los Angeles, California) was an American film actor, director and screenwriter, noted for his short films of the silent period.  Among his directed films are "A Dog's Love" (1914) (the first of many collaborations with Shep, a well-trained Collie of the Thanhouser Company), "When Fate Rebelled" (1915), "Fairy Fern Seed" (1915), "Kaiser's Finish" (1918) and his last film "No Babies Wanted" (1928), accredited as John J. Harvey.  He continued to act, but most of his roles after the 1920s were very minor and uncredited in films such as "Cardinal Richelieu" (1935) and "Anchors Aweigh" (1945).  He also continued to write for films until his death in 1954, the last of which was "City Beneath the Sea" (1953).

Sean Cain: Sean Cain (born August 31, 1970) is an American film director, editor, producer and writer.

Supporting paragraphs: Herk Harvey Sean S. Cunningham
Answer: Sean Sexton Cunningham