Question: Who was part of the Paris postwar literary movement in the 1950s, Neal Stephenson or Terry Southern ?

Context articles: Third Generation of Postwar Writers
The Great Simoleon Caper
Candy (Southern and Hoffenberg novel)
Second Generation of Postwar Writers
Terry Southern
Neal Stephenson
Nile Southern
The First Generation of Postwar Writers
Khit-San Sarpay
The Baroque Cycle

The Third Generation of Postwar Writers (第三の新人, daisen no shinjin) is a classification in Modern Japanese literature used to group writers who appeared on the postwar literary scene between 1953 and 1955.
"The Great Simoleon Caper" is a short story by Neal Stephenson that appeared in "TIME" on March 1, 1995.
 It deals with concepts familiar to Stephenson's fans: encryption, digital currency, and distributed republics.
 It appears to be set in a United States that precedes the events in Stephenson's novel "Snow Crash" (1992), using an early version of his Metaverse.
Candy is a 1958 novel written by Maxwell Kenton, the pseudonym of Terry Southern and Mason Hoffenberg, who wrote it in collaboration for the "dirty book" publisher Olympia Press, which published the novel as part of its "Traveller's Companion" series.
 According to Hoffenberg, Terry Southern and I wrote "Candy" for the money.
 Olympia Press, $500 flat.
 He was in Switzerland, I was in Paris.
 We did it in letters.
 But when it got to be a big deal in the States, everybody was taking it seriously.
 Do you remember what kind of shit people were saying?
 One guy wrote a review about how "Candy" was a satire on "Candide".
 So right away I went back and reread Voltaire to see if he was right.
 That's what happens to you.
 It's as if you vomit in the gutter and everybody starts saying it's the greatest new art form, so you go back to see it, and, by God, you have to agree.
The Second Generation of Postwar Writers (第二次戦後派作家 , Dainiji Sengo-ha Sakka ) is a classification in modern Japanese literature used for writers who appeared on the postwar literary scene between 1948 and 1949.
Terry Southern (May 1, 1924 – October 29, 1995) was an American novelist, essayist, screenwriter, and university lecturer, noted for his distinctive satirical style.
 Part of the Paris postwar literary movement in the 1950s and a companion to Beat writers in Greenwich Village, Southern was also at the center of Swinging London in the 1960s and helped to change the style and substance of American films in the 1970s.
 In the 1980s he wrote for "Saturday Night Live" and lectured on screenwriting at several universities in New York.
Neal Town Stephenson (born October 31, 1959) is an American writer and game designer known for his works of speculative fiction.
Nile Southern (born December 29, 1960), is an American filmmaker and writer.
 He is noted for his book "The Candy Men", a "biography of a book," about the writing and publishing of the comic sex novel "Candy", by Terry Southern and Mason Hoffenberg.
 He is the son of writer Terry Southern and literary editor Carol Southern.
The First Generation of Postwar Writers is a classification in Modern Japanese literature used to group writers who appeared on the postwar literary scene between 1946 and 1947.
Khit San Sarpay (Burmese: ခေတ်စမ်းစာပေ , ] ; lit.
 "Testing the Age Literature") was a literary movement that emerged in 1930s British Burma, and is considered the first modern literary movement in the history of Burmese literature.
 The movement was heavily influenced by modern English literature, and started by young Burmese writers, many of whom were educated in Christian missionary schools.
 It emerged from the literary contests held by the Burma Education Extension Association.
 Many short stories in the modern prose appeared in the association's "Ganda Lawka" Magazine as well as other periodicals.
 Three collections—"Khit-San Ponbyin-mya Volume 1" ("Experimental Tales", 1934), "Khit-San Kabya-mya" ("Experimental Poems", 1934), and "Khit-San Ponbyin-mya Volume 2" (1938), which were edited and selected by came to represent the emerging literary style.
The Baroque Cycle is a series of novels by American writer Neal Stephenson.
 It was published in three volumes containing 8 books in 2003 and 2004.
 The story follows the adventures of a sizeable cast of characters living amidst some of the central events of the late 17th and early 18th centuries in Europe, Africa, Asia, and Central America.
 Despite featuring a literary treatment consistent with historical fiction, Stephenson has characterized the work as science fiction, because of the presence of some anomalous occurrences and the work's particular emphasis on themes relating to science and technology.
 The sciences of cryptology and numismatics feature heavily in the series, as they do in some of Stephenson's other works.