Question: Who is known more for their biographical novels, Irving Stone or Elinor Lipman?
Context: Elinor Lipman (born October 16, 1950) is an American novelist, short story writer, and essayist. Then She Found Me is a 2007 American comedy-drama film directed by Helen Hunt.  The screenplay by Hunt, Alice Arlen, and Victor Levin is very loosely based on the 1990 novel of the same name by Elinor Lipman.  The film marked Hunt's feature film directorial debut. The Agony and the Ecstasy (1961) is a biographical novel of Michelangelo Buonarroti written by American author Irving Stone.  Stone lived in Italy for years visiting many of the locations in Rome and Florence, worked in marble quarries, and apprenticed himself to a marble sculptor.  A primary source for the novel is Michelangelo's correspondence, all 495 letters of which Stone had translated from Italian by Charles Speroni and published in 1962 as "I, Michelangelo, Sculptor".  Stone also collaborated with Canadian sculptor Stanley Lewis, who researched Michelangelo's carving technique and tools.  The Italian government lauded Stone with several honorary awards for his cultural achievements highlighting Italian history. Those Who Love is a biographical novel of John Adams, as told from the perspective of his wife, Abigail Adams.  It was written by American author Irving Stone. Irving Stone (born Tennenbaum, July 14, 1903, San Francisco, California – August 26, 1989, Los Angeles) was an American writer, chiefly known for his biographical novels of noted artists, politicians and intellectuals; among the best known are "Lust for Life" (1934), about the life of Vincent van Gogh, and "The Agony and the Ecstasy" (1961), about Michelangelo. The Passions of the Mind is a 1971 novel by American author Irving Stone.  It is a biographical novel about the psychiatrist Sigmund Freud and covers his life from when he was a student to when he is forced to leave Austria to escape the growing influence of the Nazis.  It covers many aspects of the subject's life, including his hospital work, his relationship with his parents, his marriage to Martha Bernays, and his support for his successor, Carl Jung.  The book is notable for going into great detail of Freud's theories, especially the Oedipus Complex. Lust for Life (1934) is a biographical novel written by Irving Stone based on the life of the famous Dutch painter, Vincent van Gogh, and his hardships. The Agony and the Ecstasy is a 1965 American film directed by Carol Reed, starring Charlton Heston as Michelangelo and Rex Harrison as Pope Julius II.  The film was partly based on Irving Stone's biographical novel of the same name.  This film deals with the conflicts of Michelangelo and Pope Julius II during the painting of the Sistine Chapel's ceiling.  It also features a soundtrack co-written by prolific composers Alex North and Jerry Goldsmith. They Also Ran: The Story of the Men Who Were Defeated for the Presidency (1943) is a non-fiction book about United States presidential candidates by American writer Irving Stone, known for his popular biographical novels of artists and intellectuals.  An updated edition was published in 1966, with brief analyses of the 1944 through 1964 elections. The President's Lady is a 1953 biographical film of the life of American president, Andrew Jackson, and his marriage to Rachel Donelson Robards.  The film was made by 20th Century Fox, directed by Henry Levin, and produced by Sol C. Siegel with Levin as associate producer.  The screenplay was by John Patrick, based on the 1951 novel by Irving Stone, the music score by Alfred Newman, and the cinematography by Leo Tover.
Answer: Irving Stone