Question: Who published a book at a younger age, Harriet Doerr or John Fante?

Context paragraphs:
Rabbit Bandini Productions: Rabbit Bandini Productions is a film production company founded in 2003 by actors/filmmakers James Franco and Vince Jolivette.  The name comes from combining the titular hero from John Updike's Rabbit tetralogy with the hero of John Fante's "Ask the Dust", Arturo Bandini.

Ask the Dust: Ask the Dust is the most popular novel of Italian-American author John Fante, first published in 1939 and set during the Great Depression-era in Los Angeles.  It is one of a series of novels featuring the character Arturo Bandini as Fante's alter ego, a young Italian-American from Colorado struggling to make it as a writer in Los Angeles.

The Road to Los Angeles: The Road to Los Angeles is a novel by the American writer John Fante.  It was written in 1936, but was published posthumously in 1985 by Black Sparrow Press.  The novel is one of four featuring Fante's alter ego Arturo Bandini.  In the Bandini chronology, it is set after "Wait Until Spring, Bandini" and before "Ask the Dust".

Ask the Dust (film): Ask the Dust is a 2006 American-German film based on the book "Ask the Dust" by John Fante.  The film was written and directed by Robert Towne and remains, , his last feature film.  Tom Cruise (with Paula Wagner and Cruise/Wagner Productions) served as one of the film's producers.  The film was released on a limited basis on March 17, 2006 and was entered into the 28th Moscow International Film Festival.  It was filmed almost entirely in South Africa with the use of stages to portray Los Angeles.

Jeanne Eagels (film): Jeanne Eagels (also titled The Jeanne Eagels Story) is a 1957 American biographical film loosely based on the life of stage star Jeanne Eagels.  Distributed by Columbia Pictures, the film was produced and directed by George Sidney from a screenplay by John Fante, Daniel Fuchs and Sonya Levien, based on a story by Fuchs.

Wait Until Spring, Bandini: Wait Until Spring, Bandini is a 1989 film written and directed by Dominique Deruddere, based upon the novel by John Fante.  The film received the André Cavens Award for Best Film and won three Joseph Plateau Awards.

John Fante: John Fante (April 8, 1909 – May 8, 1983) was an Italian-American novelist, short story writer and screenwriter.  He is best known for his semi-autobiographical novel "Ask the Dust" (1939) about the life of a struggling writer, Arturo Bandini, in Depression-era Los Angeles.  It is widely considered the great Los Angeles novel and is one in a series of four novels, published between 1938 and 1985, that are now collectively called "The Bandini Quartet".  A movie of the same name was made in 2006, starring Colin Farrell.  Fante published five novels, one novella, and a short story collection.  Additional works, including two novels, two novellas, and two short story collections, were published posthumously.  His screen credits include, most notably, "Full of Life" (1956), based on his 1952 novel by that name, "Jeanne Eagels" (1957), and the 1962 films "Walk on the Wild Side" and "The Reluctant Saint".

The Exiles (1961 film): The Exiles (1961) is a film by Kent MacKenzie chronicling a day in the life of a group of twenty-something Native Americans who left reservation life in the 1950s to live in the district of Bunker Hill, Los Angeles, California.  Bunker Hill was then a blighted residential locality of decayed Victorian mansions, sometimes featured in the writings of Raymond Chandler, John Fante, and Charles Bukowski.  The structure of the film is that of a narrative feature, the script pieced together from interviews with the documentary subjects.  The film features Yvonne Williams, Homer Nish, and Tommy Reynolds.

Harriet Doerr: Harriet Huntington Doerr (April 8, 1910 – November 24, 2002) was an American author whose debut novel was published at the age of 74.

John Martin (publisher): John Martin (born 1930) is an American publisher who founded Black Sparrow Press.  As a publisher, he is best known for his work with Charles Bukowski, John Fante and Paul Bowles.  He is based in Santa Rosa, California.

Supporting paragraphs: Harriet Doerr John Fante
Answer: Harriet Huntington Doerr (April 8, 1910 – November 24, 2002) was an American author whose debut novel was published at the age of 74.