Question: Are both Russell Edson and Jonathan Lethem American?

Context paragraphs:
A Gambler's Anatomy: A Gambler's Anatomy (published as The Blot in the United Kingdom) is a 2016 novel by American author Jonathan Lethem.  The plot concerns Alexander Bruno, a professional backgammon player with "psychic tendencies".  The novel received mixed reviews and was compared negatively to other novels by Lethem.

Light and the Sufferer: Light and the Sufferer is a 2007 American science fiction film starring Paul Dano, Paz de la Huerta, Michael Esper, and Paul D'Amato and directed by Christopher Peditto.  It is based on a short story by Jonathan Lethem.

Amnesia Moon: Amnesia Moon is a 1995 novel by Jonathan Lethem.  Lethem adapted the novel from several unpublished short stories he had written, all about catastrophic, apocalyptic events.  In finished form "Amnesia Moon" bears homage to Philip K. Dick.  In fact, during a party scene, one guest describes a battle of wills in West Marin, clearly a reference to Dick's "Dr. Bloodmoney, or How We Got Along After the Bomb".  One character even cites a West Marin inhabitant named "Hoppington", evocative of the mutant telepath Hoppy Harrington in the latter book.

Jonathan Lethem: Jonathan Allen Lethem (LEE-thum, born February 19, 1964) is an American novelist, essayist and short story writer.  His first novel, "Gun, with Occasional Music", a genre work that mixed elements of science fiction and detective fiction, was published in 1994.  It was followed by three more science fiction novels.

Russell Edson: Russell Edson (1935 – April 29, 2014) was an American poet, novelist, writer and illustrator, and the son of the cartoonist-screenwriter Gus Edson.

Shout NY: Shout NY was a thought and culture magazine that covered New York arts, music, film and politics from 1991 through 2003.  In its early days, it was fairly obscure and predominantly focused on New York City nightlife.  Re-launched in 2000, it developed a cult following as one of a few periodicals of record for the burgeoning scene on the lower east side of Manhattan and the eastern neighborhoods of Brooklyn, including Williamsburg and Greenpoint.  It published work by rising stars JT LeRoy, Jerry Stahl, Emma Forrest, Jonathan Lethem, Gary Shteyngart and Reverend Jen, and was featured in the 2001 edition of the Best American Non-Required Reading series.  Future Gawker editor Jesse Oxfeld was also an early contributor.  "Shout NY" was the first magazine to feature the band The Strokes on the cover and was an early promoter of New York staples like the Yeah Yeah Yeahs and The Rapture.  The publisher was D & G Publishing Corp.  The magazine hosted frequent popular parties in New York and Brooklyn, before it closed its doors in early 2003.

Studio 360: Studio 360 is an American weekly public radio program about the arts and culture hosted by novelist Kurt Andersen and produced by Public Radio International (PRI) and WNYC in New York City.  The program's stated goal is to "Get inside the creative mind" and uses arts and culture as a lens to understand our world.  The program was created by PRI based on an identified need for programming dedicated and focused on arts and culture journalism in media.  And while the show features regular guest interviews with authors such as Joyce Carol Oates, Jonathan Lethem, and Miranda July, and musicians as diverse as Laura Veirs, Don Byron, and k.d. lang, it also has several recurring segments.  The American Icons series attempts to understand lasting American cultural icons such as "The Great Gatsby" and "Kind of Blue".  The hour on "Moby-Dick" was the recipient of the 2004 Peabody Award.

Motherless Brooklyn: Motherless Brooklyn is a Jonathan Lethem detective story set in Brooklyn and published in 1999.  Lethem's protagonist, Lionel Essrog, has Tourette syndrome, a disorder marked by involuntary tics. Essrog works, along with Tony, Danny and Gilbert, who call themselves the Minna Men, for Frank Minna—a small-time neighborhood owner of a "seedy and makeshift" detective agency—who is stabbed to death.

Camden College (fictional college): Camden College is a fictional liberal arts college, which appears in the works of Bret Easton Ellis, Jill Eisenstadt, and Jonathan Lethem.  Whereas Ellis' Camden College is located in New Hampshire, Lethem's Camden is in Vermont, and is notable for being the most expensive college in America.  All three of the writers attended Bennington College, which is really located in Vermont, and was at one time notorious for being the most expensive college in America.  Bennington graduate Donna Tartt uses the same Bennington-inspired backdrop for her 1992 novel "The Secret History", but for her it is "Hampden" College.  However, Eisenstadt and Lethem uses 'Camden' in "From Rockaway" (1987) and "The Fortress of Solitude" (2003), respectively.

The Wall of the Sky, the Wall of the Eye: The Wall of the Sky, the Wall of the Eye is a 1996 collection of seven short stories by Jonathan Lethem.  In 2002 a collection of the same name appeared in the UK that also contained seven stories, but two stories from the earlier collection—"Vanilla Dunk" and "Forever, Said the Duck"—were replaced by "Access Fantasy" and "How We Got Into Town And Out Again".  All of the stories, as with much of Lethem's early work, have definite science fiction elements despite their widely varying content and some thinly veiled commentary on modern society.

Supporting paragraphs: Russell Edson Jonathan Lethem
Answer: yes