Question: When was the person who wrote The Sovereignty of Good born?

full_context: Document 1: A History of Western Philosophy: A History of Western Philosophy is a 1945 book by philosopher Bertrand Russell. A survey of Western philosophy from the pre-Socratic philosophers to the early 20th century, it was criticised for Russell's over-generalization and omissions, particularly from the post-Cartesian period, but nevertheless became a popular and commercial success, and has remained in print from its first publication. When Russell was awarded the Nobel Prize for Literature in 1950, "A History of Western Philosophy" was cited as one of the books that won him the award. Its success provided Russell with financial security for the last part of his life.
Document 2: Muriel Spark: Dame Muriel Sarah Spark DBE, CLit, FRSE, FRSL (née Camberg; 1 February 1918 – 13 April 2006) was a Scottish novelist, short story writer, poet and essayist. In 2008, "The Times" named Spark as No. 8 in its list of "the 50 greatest British writers since 1945".
Document 3: The Good Book (book): The Good Book is a book by A. C. Grayling. It was published in March 2011 by Walker & Company (a US imprint of Bloomsbury) with the subtitle "A Humanist Bible," and in April 2011 by Bloomsbury with the subtitle "A Secular Bible."
Document 4: How Are We to Live?: How Are We to Live?: Ethics in an Age of Self-Interest is a book on applied ethics by bioethical philosopher Peter Singer. It was first published in 1993, with subsequent editions in later years. Singer argues that doing the right thing involves attending to the sufferings and preferences of other sentient beings.
Document 5: De finibus bonorum et malorum: De finibus bonorum et malorum ("On the ends of good and evil") is a philosophical work by the Roman orator, politician and philosopher Marcus Tullius Cicero. It consists of five books, in which Cicero explains the philosophical views of Epicureanism, Stoicism, and the Platonism of Antiochus of Ascalon. The book was developed in the summer of the year 45 BC within about one and a half months. Together with the "Tusculanae Quaestiones" written shortly afterwards, "De finibus" is the most extensive philosophical work of Cicero. It is dedicated to Marcus Junius Brutus. Lorem ipsum, the common placeholder text used in graphic design work, is derived from parts of the first book's discourse on hedonism.
Document 6: Beyond Good and Evil: Beyond Good and Evil: Prelude to a Philosophy of the Future (German: "Jenseits von Gut und Böse: Vorspiel einer Philosophie der Zukunft" ) is a book by philosopher Friedrich Nietzsche that expands the ideas of his previous work, "Thus Spoke Zarathustra", with a more critical and polemical approach. It was first published in 1886.
Document 7: Iris Murdoch: Dame Jean Iris Murdoch ( ; 15 July 1919 – 8 February 1999) was an Anglo-Irish novelist and philosopher, best known for her novels about good and evil, sexual relationships, morality, and the power of the unconscious. Her first published novel, "Under the Net", was selected in 1998 as one of Modern Library's 100 best English-language novels of the 20th century. In 1987, she was made a Dame Commander of the Order of the British Empire. Her books include "The Bell" (1958), "A Severed Head" (1961), "The Red and the Green" (1965), "The Nice and the Good" (1968), "The Black Prince" (1973), "Henry and Cato" (1976), "The Sea, the Sea" (1978, Booker Prize), "The Philosopher's Pupil" (1983), "The Good Apprentice" (1985), "The Book and the Brotherhood" (1987), "The Message to the Planet" (1989), and "The Green Knight" (1993). In 2008, "The Times" ranked Murdoch twelfth on a list of "The 50 greatest British writers since 1945".
Document 8: The Sacred and Profane Love Machine: The Sacred and Profane Love Machine is a novel by Iris Murdoch. Published in 1974, it was her sixteenth novel. It won the Whitbread Novel Award for 1974.
Document 9: Amongst Women: Amongst Women is a novel by the Irish writer John McGahern (1934–2006). McGahern's best known novel, it is also considered his masterpiece.
Document 10: Beryl Bainbridge: Dame Beryl Margaret Bainbridge DBE (21 November 1932 – 2 July 2010) was an English writer from Liverpool. She was primarily known for her works of psychological fiction, often macabre tales set among the English working class. Bainbridge won the Whitbread Awards prize for best novel in 1977 and 1996; she was nominated five times for the Booker Prize. She was described in 2007 as "a national treasure". In 2008, "The Times" named Bainbridge on their list of "The 50 greatest British writers since 1945".
Document 11: The Prime of Miss Jean Brodie (novel): The Prime of Miss Jean Brodie is a novel by Muriel Spark, the best known of her works. It first saw publication in "The New Yorker" magazine and was published as a book by Macmillan in 1961. The character of Miss Jean Brodie brought Spark international fame and brought her into the first rank of contemporary Scottish literature. In 2005, the novel was chosen by "Time" magazine as one of the one hundred best English-language novels from 1923 to present. In 1998, the Modern Library ranked "The Prime of Miss Jean Brodie" No. 76 on its list of the 100 best English-language novels of the 20th century.
Document 12: The Story of Philosophy: The Story of Philosophy: The Lives and Opinions of the Greater Philosophers is a 1926 book by Will Durant, in which he profiles several prominent Western philosophers and their ideas, beginning with Socrates and Plato and on through Friedrich Nietzsche. Durant attempts to show the interconnection of their ideas and how one philosopher's ideas informed the next.
Document 13: Dermot Moran: Dermot Moran ( ) is an Irish philosopher specialising in phenomenology and in medieval philosophy and also active in the dialogue between analytic and continental philosophy. He is currently Professor of Philosophy (Metaphysics and Logic) at University College Dublin. He previously taught at St. Patrick's College, Maynooth, Queen's University of Belfast, and Yale University. He has served as a visiting professor of philosophy in many universities around the world, including Rice University, Sorbonne, University at Albany, SUNY, Catholic University of Leuven, Trinity College Dublin, Connecticut College, Ludwig Maximilian University of Munich and Northwestern University. He has been an elected member of the Royal Irish Academy since March 2003 and has been involved in the Fédération Internationale des Sociétés de Philosophie, the highest non-governmental world organisation for philosophy, since the 1980s. He is the Founding Editor of International Journal of Philosophical Studies, founded in 1993 and published by Routledge, and co-editor of Contributions To Phenomenology book series, published by Springer. His monograph Introduction to Phenomenology was awarded the Edward Goodwin Ballard Prize in Phenomenology (2001) and was translated into Chinese. A Turkish translation of the book is in preparation. Moran has also been elected President of the Programme Committee for the 23rd World Congress of Philosophy which took place in Athens from 4–10 August 2013.
Document 14: The Sovereignty of Good: The Sovereignty of Good is a book of moral philosophy by Iris Murdoch. First published in 1970, it comprises three previously published papers, all of which were originally delivered as lectures. Murdoch argued against the prevailing consensus in moral philosophy, proposing instead a Platonist approach. "The Sovereignty of Good" is Murdoch's best known philosophy book.
Document 15: Angela Carter: Angela Olive Carter-Pearce (née Stalker; 7 May 1940 – 16 February 1992), known professionally as Angela Carter, was an English novelist, short story writer and journalist, known for her feminist, magical realism, and picaresque works. In 2008, "The Times" ranked Carter tenth in their list of "The 50 greatest British writers since 1945". In 2012, "Nights at the Circus" was selected as the best ever winner of the James Tait Black Memorial Prize.
ground_truth: 15 July 1919