Question: Which American artist, best known for his silkscreen paintings "Campbell's Soup Cans" (1962) and "Marilyn Diptych" (1962), helped usher in the Golden Age of Porn with his 1969 film "Blue Movie"?

Context paragraphs:
Marilyn Diptych: The Marilyn Diptych (1962) is a silkscreen painting by American pop artist Andy Warhol.  The piece is one of the artist's most noted works, and it has been praised by several cultural critics such as Camille Paglia.  The original piece is currently owned by the Tate.

Blue Movie: Blue Movie (stylized as blue movie; also known as Fuck) is a 1969 American film written, produced, and directed by Andy Warhol.  "Blue Movie", the first adult erotic film depicting explicit sex to receive wide theatrical release in the United States, is a seminal film in the Golden Age of Porn and helped inaugurate the "porno chic" phenomenon in modern American culture, and later, in many other countries throughout the world.  According to Warhol, "Blue Movie" was a major influence in the making of "Last Tango in Paris", an internationally controversial erotic drama film, starring Marlon Brando, and released a few years after "Blue Movie" was made.  Viva and Louis Waldon, playing themselves, starred in "Blue Movie".

Campbell's Soup Cans: Campbell's Soup Cans, which is sometimes referred to as 32 Campbell's Soup Cans, is a work of art produced in 1962 by Andy Warhol.  It consists of thirty-two canvases, each measuring 20 in in height × 16 in in width and each consisting of a painting of a Campbell's Soup can—one of each of the canned soup varieties the company offered at the time.  The individual paintings were produced by a printmaking method—the semi-mechanized screen printing process, using a non-painterly style.  "Campbell's Soup Cans"' reliance on themes from popular culture helped to usher in pop art as a major art movement in the United States.

Daybreak (painting): Daybreak is a painting by American artist Maxfield Parrish made in 1922.  "Daybreak" is regarded as the most popular art print of the 20th century, based on number of prints made: one for every four American homes.  According to the National Museum of American Illustration, it has outsold Andy Warhol's "Campbell's Soup Cans" and Da Vinci's "Last Supper".  It is still in print.

Bill Osco: Bill Osco (born as William Osco) is a film producer and director whose 1970 film "Mona" was one of the first erotic art films, after the 1969 film "Blue Movie" by Andy Warhol, to receive a national theatrical release in the United States.  The theatrical release of "Mona" is considered one of the watershed events that helped inaugurate the Golden Age of erotic art films in the United States.  The film is one of the paradigms for theatrically released erotic art films.

Boys in the Sand: Boys in the Sand is a landmark American gay pornographic film released at the very beginnings of the Golden Age of Porn.  The 1971 film was directed by Wakefield Poole and stars Casey Donovan.  "Boys in the Sand" was the first gay porn film to include credits, to achieve crossover success, to be reviewed by "Variety", and one of the earliest porn films, after 1969's "Blue Movie" by Andy Warhol, to gain mainstream credibility, preceding 1972's "Deep Throat" by nearly a year.

Chen Zi'ang: Chen Zi'ang (, 661 (or 656)–702), courtesy name Boyu (伯玉), was a Chinese poet of the Tang dynasty.  He was important in helping to bring into being the type of poetry which is considered to be characteristically "Tang".  Dissatisfied with the current state of the affairs of poetry at the time, almost paradoxically, by keeping his eye on the remote antiquity he helped usher in a new age of Chinese poetry (see quote below).  He would soon be followed by such poets of the golden age of Tang poetry as Wang Wei, Li Bai, and Du Fu.

Golden Age of Porn: The Golden Age of Porn, or porno chic, refers to a 15-year period (around 1969–1984) in commercial American pornography, that spread internationally, in which sexually-explicit films experienced positive attention from mainstream cinemas, movie critics, and the general public.  It began with release of the 1969 film "Blue Movie" directed by Andy Warhol, and the 1970 film "Mona" produced by Bill Osco.  These films were the first adult erotic films depicting explicit sex to receive wide theatrical release in the United States.  Both influenced the making of films such as 1972's "Deep Throat" starring Linda Lovelace and directed by Gerard Damiano, "Behind the Green Door" starring Marilyn Chambers and directed by the Mitchell brothers, 1973's "The Devil in Miss Jones" also by Damiano, and 1976's "The Opening of Misty Beethoven" by Radley Metzger (considered by award-winning author Toni Bentley, the "crown jewel" of the Golden Age).

Andy Warhol: Andy Warhol ( ; born Andrew Warhola; August 6, 1928 – February 22, 1987) was an American artist, director and producer who was a leading figure in the visual art movement known as pop art.  His works explore the relationship between artistic expression, celebrity culture, and advertising that flourished by the 1960s, and span a variety of media, including painting, silkscreening, photography, film, and sculpture.  Some of his best known works include the silkscreen paintings "Campbell's Soup Cans" (1962) and "Marilyn Diptych" (1962), the experimental film "Chelsea Girls" (1966), and the multimedia events known as the "Exploding Plastic Inevitable" (1966–67).

Pornography in the United States: Pornography in the United States has existed since the country's origins and has become more readily accessible in the 21st century.  Advanced by technological development, it has gone from a hard to find "back alley" item to, beginning in 1969 with "Blue Movie" by Andy Warhol, the Golden Age of Porn and home video, being more available in the country and later, starting in the 1990s, readily accessible to nearly anyone with a computer or other device connected to the internet.

Supporting paragraphs: Pornography in the United States Andy Warhol
Answer: Andy Warhol