Question: Which novelist was from the US, Randall Jarrell or Louis-Ferdinand Céline?

Context paragraphs:
Rigadoon (novel): Rigadoon (French: Rigodon ) is a novel by the French writer Louis-Ferdinand Céline, published posthumously in 1969.  The story is based on Céline's escape from France to Denmark after the invasion of Normandy, after he had been associated with the Vichy regime.  It is the third part in a trilogy about these experiences; it was preceded by "Castle to Castle" from 1957 and "North" from 1960.

Castle to Castle: Castle to Castle is the English title of the 1957 novel by Louis-Ferdinand Céline, titled in French "D'un château l'autre".  The book features Céline's experiences in exile with the Vichy French government at Sigmaringen, Germany, towards the end of World War II.

Céline: A Biography: Céline: A Biography (French: La Vie de Céline , "the life of Céline") is a 1988 book by the French writer Frédéric Vitoux, on the author Louis-Ferdinand Céline.  It was published in English in 1992.

London Bridge: Guignol's Band II: London Bridge: Guignol's Band II (French: Le Pont de Londres ) is a novel by the French writer Louis-Ferdinand Céline, published posthumously in 1964.  The story follows Ferdinand, an invalided French World War I veteran who lives in exile in London, where he is involved with questionable people and falls in love with a 14-year-old girl.  It is the sequel to Céline's 1944 novel "Guignol's Band".

Randall Jarrell: Randall Jarrell (May 6, 1914 – October 14, 1965) was an American poet, literary critic, children's author, essayist, novelist, and the 11th Consultant in Poetry to the Library of Congress, a position that now bears the title Poet Laureate.

North (novel): North (French: Nord ) is a 1960 novel by the French writer Louis-Ferdinand Céline.  The story is based on Céline's escape from France to Denmark after the invasion of Normandy, after he had been associated with the Vichy regime.  It is the second published part, although chronologically the first, in a trilogy about these experiences; it was preceded by "Castle to Castle" from 1957, and followed by "Rigadoon", published posthumously in 1969.  It was the last book Céline published during his lifetime.

Normance: Normance is a 1954 novel by the French writer Louis-Ferdinand Céline.  The story is a fictionalised version of the author's experiences during the last parts of World War II, where he supported the Nazis.  It is the sequel to Céline's 1952 novel "Fable for Another Time", and has the subtitle "Fable for Another Time II" ("Féerie pour une autre fois II").

Cannon-Fodder: Cannon-Fodder (French: Casse-pipe ) is an unfinished novel by the French writer Louis-Ferdinand Céline.  The largely autobiographical narrative is set before World War II, and roughly continues where Céline's 1936 novel "Death on Credit" ended.  Much of the novel disappeared in 1944.  Surviving fragments have been published from 1948 and onward, the main part in book form in 1949.

Louis-Ferdinand Céline: Louis-Ferdinand Céline (] ) was the pen name of Louis Ferdinand Auguste Destouches (] ; 27 May 1894 – 1 July 1961), a French novelist, pamphleteer and physician.  He developed a new style of writing that modernized French literature.  His most famous work is the 1932 novel, "Journey to the End of the Night".

Fable for Another Time: Fable for Another Time (French: Féerie pour une autre fois ) is a 1952 novel by the French writer Louis-Ferdinand Céline.  The narrative recounts Céline's experiences during what seems to be a hypothetical bombing of an area of Montmartre by the allies on the days preceding D-day.  The whole of the action of this fairly long narrative lasts no more than twelve hours from the beginning of an evening to the morning after.  It was followed by a sequel, "Normance", published in 1954.

Supporting paragraphs: Randall Jarrell Louis-Ferdinand Céline
Answer: Randall Jarrell