Question: Are Henry Roth and Len Deighton both American novelists?

Context paragraphs:
Henry Roth: Henry Roth (February 8, 1906 – October 13, 1995) was an American novelist and short story writer.

Bullet to Beijing: Bullet to Beijing is a 1995 made-for-television film that continues the adventures of the fictional spy Harry Palmer, who appeared in the 1960s films "The Ipcress File", "Funeral in Berlin" and "Billion Dollar Brain", based on books by author Len Deighton.  Though an alternate title is "Len Deighton's Bullet to Beijing", Deighton was not associated with the film at all.

Fighter: The True Story of the Battle of Britain: Fighter: The True Story of the Battle of Britain (ISBN  ) is a Second World War military history book by English author Len Deighton.  First published in 1977, "Fighter" was Deighton's first history book, he having made his name as a writer of spy fiction.  Deighton was encouraged to write the book by his friend, the British historian A.J.P. Taylor, who wrote the introduction to "Fighter".

Len Deighton's Action Cook Book: Len Deighton's Action Cook Book is a 1965 collection of cookery strips (known as a cookstrip, an invention on Len Deighton's from his days as a student at the Royal College of Art) originally published in the "Observer" newspaper, with additional information and notes.  Aimed at ""an audience of men unskilled at knowing their way around the kitchen"", the book has been described as a cult classic from the period and helped pave the transition from cooking being only for women, into bring a sophisticated expectation of a modern man.

Carl Hamilton novels: The Carl Hamilton novels are a series of novels by Swedish author Jan Guillou centered on the fictional spy Carl Hamilton.  In Sweden and other countries it is a best-selling series.  Carl Hamilton has been called "Sweden's James Bond".  One commentator said the books "... place [Guillou] besides John le Carre and Len Deighton" (famous British spy novelists).

Faith (novel): Faith is a 1994 spy novel by Len Deighton.  It is the first novel in the final trilogy of three about Bernard Samson, a middle-aged and somewhat jaded intelligence officer working for the British Secret Intelligence Service (MI6).  "Faith" is part of the "Faith, Hope and Charity" trilogy, being followed by "Hope" and "Charity".  This trilogy is preceded by the "Game, Set and Match" and the "Hook, Line and Sinker" trilogies.  Deighton's novel "Winter" (1987) is a prequel to the nine novels, covering the years 1900-1945 and providing the backstory to some of the characters.

Len Deighton: Leonard Cyril Deighton ( ; born 18 February 1929), known as Len Deighton, is a British author.  Deighton is considered one of the top three spy novelists of his time (along with Ian Fleming and John le Carré).  In addition he is a highly acclaimed military historian, cookery writer, and graphic artist. " The IPCRESS File" (1962), his first novel, was an instant bestseller and broke the mould of thriller writing. " The Sunday Times" called him "the poet of the spy story".  Deighton’s first protagonist – a nameless spy christened Harry Palmer in the films – was made famous worldwide in 1960s films starring Michael Caine.

Len Deighton's London Dossier: Len Deighton's London Dossier is a guide book to London, edited by British author Len Deighton and published in 1967.  It consists of a ""collection of personal guides to the hidden gems and sites of London by a range of writers and raconteurs, many of them Len Deighton’s friends.""  Deighton himself contributes two of the 14 essays.

Harry Palmer: Harry Palmer is the protagonist of a number of films based on the unnamed main character from the spy novels written by Len Deighton.  Michael Caine played Harry Palmer in three of the four films based on the four published novels featuring this character.  Caine also starred as this character in two other films not directly based on Deighton's novels.

Hope (novel): Hope is a 1995 spy novel by Len Deighton.  It is the second novel in the final trilogy of three about Bernard Samson, a middle-aged and somewhat jaded intelligence officer working for the British Secret Intelligence Service (MI6).  "Hope" is part of the "Faith, Hope and Charity" trilogy, being preceded by "Faith" and followed by "Charity".  This trilogy is preceded by the "Game, Set and Match" and the "Hook, Line and Sinker" trilogies.  Deighton's novel "Winter" (1987) is a prequel to the nine novels, covering the years 1900-1945 and providing the backstory to some of the characters.

Supporting paragraphs: Henry Roth Len Deighton
Answer: no