List of ethicists
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List of ethicists including religious or political figures recognized by those outside their tradition as having made major contributions to ideas about
ethics Ethics or moral philosophy is a branch of philosophy that "involves systematizing, defending, and recommending concepts of right and wrong behavior".''Internet Encyclopedia of Philosophy'' The field of ethics, along with aesthetics, concer ...
, or raised major controversies by taking strong positions on previously unexplored problems. All are known for an ethical work or problem, but a few are primarily
authors An author is the writer of a book, article, play, mostly written work. A broader definition of the word "author" states: "''An author is "the person who originated or gave existence to anything" and whose authorship determines responsibility f ...
or satirists, or known as a
mediator Mediator may refer to: *A person who engages in mediation * Business mediator, a mediator in business * Vanishing mediator, a philosophical concept * Mediator variable, in statistics Chemistry and biology *Mediator (coactivator), a multiprotein ...
,
politician A politician is a person active in party politics, or a person holding or seeking an elected office in government. Politicians propose, support, reject and create laws that govern the land and by an extension of its people. Broadly speaking, ...
, futurist or
scientist A scientist is a person who conducts scientific research to advance knowledge in an area of the natural sciences. In classical antiquity, there was no real ancient analog of a modern scientist. Instead, philosophers engaged in the philosop ...
, rather than as an
ethicist An ethicist is one whose judgment on ethics and ethical codes has come to be trusted by a specific community, and (importantly) is expressed in some way that makes it possible for others to mimic or approximate that judgment. Following the advice of ...
or
philosopher A philosopher is a person who practices or investigates philosophy. The term ''philosopher'' comes from the grc, φιλόσοφος, , translit=philosophos, meaning 'lover of wisdom'. The coining of the term has been attributed to the Greek th ...
. Some controversial figures are included, some of whom you may see as bad examples. A few are included because their names have become synonymous with certain ethical debates, but only if they personally elaborated an ethical theory justifying their actions.


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Peter Abelard Peter Abelard (; french: link=no, Pierre Abélard; la, Petrus Abaelardus or ''Abailardus''; 21 April 1142) was a medieval French scholastic philosopher, leading logician, theologian, poet, composer and musician. This source has a detailed des ...
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Ambedkar Bhimrao Ramji Ambedkar (14 April 1891 – 6 December 1956) was an Indian jurist, economist, social reformer and political leader who headed the committee drafting the Constitution of India from the Constituent Assembly debates, served ...
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John Stevens Cabot Abbott John Stevens Cabot Abbott (September 19, 1805 – June 17, 1877), an American historian, pastor, and pedagogical writer, was born in Brunswick, Maine to Jacob and Betsey Abbott. Early life He was a brother of Jacob Abbott, and was associated ...
* Mortimer Adler * Nayef Al-Rodhan *
Thomas Aquinas Thomas Aquinas, Dominican Order, OP (; it, Tommaso d'Aquino, lit=Thomas of Aquino, Italy, Aquino; 1225 – 7 March 1274) was an Italian Dominican Order, Dominican friar and Catholic priest, priest who was an influential List of Catholic philo ...
* Nomy Arpaly *
Ambrose Ambrose of Milan ( la, Aurelius Ambrosius; ), venerated as Saint Ambrose, ; lmo, Sant Ambroeus . was a theologian and statesman who served as Bishop of Milan from 374 to 397. He expressed himself prominently as a public figure, fiercely promot ...
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Andronicus of Rhodes Andronicoos of Rhodes ( grc, Ἀνδρόνικος ὁ Ῥόδιος, translit=Andrónikos ho Rhódios; la, Andronicus Rhodius; ) was a Greek philosopher from Rhodes who was also the scholarch (head) of the Peripatetic school. He is most famous ...
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Julia Annas Julia Elizabeth Annas (born 1946) is a British philosopher who has taught in the United States for the last quarter-century. She is Regents Professor of Philosophy Emerita at the University of Arizona. Education and career Annas graduated from ...
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G. E. M. Anscombe Gertrude Elizabeth Margaret Anscombe (; 18 March 1919 – 5 January 2001), usually cited as G. E. M. Anscombe or Elizabeth Anscombe, was a British analytic philosopher. She wrote on the philosophy of mind, philosophy of action ...
* Karl-Otto Apel *
Jacob M. Appel Jacob M. Appel (born February 21, 1973) is an American author, poet, bioethicist, physician, lawyer and social critic.Nagamatsu, Sequoia "A Few Words with the Ubiquitous Jacob M. Appel" ''Prince Mincer'' Journal http://primemincer.com/ confirmed ...
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Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ...
* Aristoxenus * John Arthur * Benedict Ashley, OP *
Ashoka Ashoka (, ; also ''Asoka''; 304 – 232 BCE), popularly known as Ashoka the Great, was the third emperor of the Maurya Empire of Indian subcontinent during to 232 BCE. His empire covered a large part of the Indian subcontinent, s ...
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Augustine of Hippo Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Afr ...
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Avicenna Ibn Sina ( fa, ابن سینا; 980 – June 1037 CE), commonly known in the West as Avicenna (), was a Persian polymath who is regarded as one of the most significant physicians, astronomers, philosophers, and writers of the Islamic ...
* Joxe Azurmendi


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* Bahá'u'lláh *
Franz Xaver von Baader Franz von Baader (27 March 1765 – 23 May 1841), born Benedikt Franz Xaver Baader, was a German Catholic philosopher, theologian, physician, and mining engineer. Resisting the empiricism of his day, he denounced most Western philosophy ...
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Francis Bacon Francis Bacon, 1st Viscount St Alban (; 22 January 1561 – 9 April 1626), also known as Lord Verulam, was an English philosopher and statesman who served as Attorney General and Lord Chancellor of England. Bacon led the advancement of both ...
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Alain Badiou Alain Badiou (; ; born 17 January 1937) is a French philosopher, formerly chair of Philosophy at the École normale supérieure (ENS) and founder of the faculty of Philosophy of the Université de Paris VIII with Gilles Deleuze, Michel Fouc ...
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Samuel Bailey Samuel Bailey (5 July 1791 – 18 January 1870) was a British philosopher, economist and writer. He was called the "Jeremy Bentham, Bentham of Hallamshire". Life Bailey was born at Sheffield on 5 July 1791, the son of Joseph Bailey and Mary Ea ...
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Tom Beauchamp Tom Lamar Beauchamp (born 1939) is an American philosopher specializing in the work of David Hume, moral philosophy, bioethics, and animal ethics. He is Professor Emeritus of Philosophy at Georgetown University, where he was Senior Research Schola ...
* Saint Robert Bellarmine, S.J. * David Benatar *
Friedrich Eduard Beneke Friedrich Eduard Beneke (; 17 February 1798 – c. 1 March 1854) was a German psychologist and post-Kantian philosopher. Life Beneke was born in Berlin. He studied at the universities of Halle and Berlin, and served as a volunteer in the W ...
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Jeremy Bentham Jeremy Bentham (; 15 February 1748 ld Style and New Style dates, O.S. 4 February 1747– 6 June 1832) was an English philosopher, jurist, and social reformer regarded as the founder of modern utilitarianism. Bentham defined as the "fundam ...
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Thomas Berry Thomas Berry, CP (November 9, 1914 – June 1, 2009) was a Catholic priest, cultural historian, and scholar of the world’s religions, especially Asian traditions. Later, as he studied Earth history and evolution, he called himself a “geol ...
* Maurice Blanchot * Dietrich Bonhoeffer *
Murray Bookchin Murray Bookchin (January 14, 1921 – July 30, 2006) was an American social theorist, author, orator, historian, and political philosopher. A pioneer in the environmental movement, Bookchin formulated and developed the theory of social ...
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George Boole George Boole (; 2 November 1815 – 8 December 1864) was a largely self-taught English mathematician, philosopher, and logician, most of whose short career was spent as the first professor of mathematics at Queen's College, Cork in ...
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Nick Bostrom Nick Bostrom ( ; sv, Niklas Boström ; born 10 March 1973) is a Swedish-born philosopher at the University of Oxford known for his work on existential risk, the anthropic principle, human enhancement ethics, superintelligence risks, and the ...
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Daniel Brock Dan W. Brock (December 1937 – September 26, 2020) was an American philosopher, bioethicist, and professor emeritus at Harvard University and Brown University. He was the Frances Glessner Lee Professor Emeritus of Medical Ethics in the Depa ...
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Martin Buber Martin Buber ( he, מרטין בובר; german: Martin Buber; yi, מארטין בובער; February 8, 1878 – June 13, 1965) was an Austrian Jewish and Israeli philosopher best known for his philosophy of dialogue, a form of existentialism ...
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Gautama Buddha Siddhartha Gautama, most commonly referred to as the Buddha, was a wandering ascetic and religious teacher who lived in South Asia during the 6th or 5th century BCE and founded Buddhism. According to Buddhist tradition, he was born in L ...
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Mario Bunge Mario Augusto Bunge (; ; September 21, 1919 – February 24, 2020) was an Argentine-Canadian philosopher and physicist. His philosophical writings combined scientific realism, systemism, materialism, emergentism, and other principles. He was ...
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Judith Butler Judith Pamela Butler (born February 24, 1956) is an American philosopher and gender theorist whose work has influenced political philosophy, ethics, and the fields of third-wave feminism, queer theory, and literary theory. In 1993, Butler b ...


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Albert Camus Albert Camus ( , ; ; 7 November 1913 – 4 January 1960) was a French philosopher, author, dramatist, and journalist. He was awarded the 1957 Nobel Prize in Literature at the age of 44, the second-youngest recipient in history. His work ...
* Arthur Caplan *
Roger Chao Roger Chao, FRGS, is an Australian explorer, mountain climber, philosopher and ethicist. Mountaineering and Exploration In 2006, Chao and Stephen Fordyce completed a mid-winter traverse of the Western Arthurs range in south-west Tasmania. ...
* James Childress * Saint Bernard of Clairvaux, O.Cist * Randy Cohen *
Confucius Confucius ( ; zh, s=, p=Kǒng Fūzǐ, "Master Kǒng"; or commonly zh, s=, p=Kǒngzǐ, labels=no; – ) was a Chinese philosopher and politician of the Spring and Autumn period who is traditionally considered the paragon of Chinese sages. C ...
* John M. Cooper * Michael Cranford * Alice Crary *
Roger Crisp Roger Stephen Crisp (born 23 March 1961) is fellow and tutor in philosophy at St. Anne's College, Oxford. He holds the university posts of Professor of Moral Philosophy and Uehiro Fellow and Tutor in Philosophy. His work falls principally wi ...
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Simon Critchley Simon Critchley (born 27 February 1960) is an English philosopher and the Hans Jonas Professor of Philosophy at the New School for Social Research in New York, USA. Challenging the ancient tradition that philosophy begins in wonder, Critchle ...
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David Crocker David A. Crocker (born 4 October 1937), is Research Professor in the School of Public Policy, at the University of Maryland, he is also the founder and former president of the International Development Ethics Association (IDEA). His work has been c ...
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Noam Chomsky Avram Noam Chomsky (born December 7, 1928) is an American public intellectual: a linguist, philosopher, cognitive scientist, historian, social critic, and political activist. Sometimes called "the father of modern linguistics", Chomsky i ...


D

* Mary Daly * Norman Daniels * Partha Dasgupta * Abraham ibn Daud *
Charles De Koninck Charles De Koninck (29 July 1906 – 13 February 1965) was a Belgian-Canadian Thomist philosopher and theologian. As director of the Department of Philosophy at the Université Laval in Quebec, he influenced Catholic philosophy in French Canada a ...
* Miguel A. De La Torre *
Cora Diamond Cora Diamond (born 1937) is an American philosopher who works on Ludwig Wittgenstein, Gottlob Frege, moral philosophy, animal ethics, political philosophy, philosophy of language, and philosophy and literature. Diamond is the Kenan Professor ...
* Philip Doddridge * Elliot N. Dorff *
Julia Driver Julia Driver is professor of philosophy and holder of the Darrell K. Royal Chair in Ethics and American Society at the University of Texas, Austin. She is a specialist in moral philosophy . Education and career She received her Ph.D. in philosop ...
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Ronald Dworkin Ronald Myles Dworkin (; December 11, 1931 – February 14, 2013) was an American philosopher, jurist, and scholar of United States constitutional law. At the time of his death, he was Frank Henry Sommer Professor of Law and Philosophy at New Yo ...


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Epicurus Epicurus (; grc-gre, Ἐπίκουρος ; 341–270 BC) was an ancient Greek philosopher and sage who founded Epicureanism, a highly influential school of philosophy. He was born on the Greek island of Samos to Athenian parents. Influence ...
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Rudolf Christoph Eucken Rudolf Christoph Eucken (; 5 January 184615 September 1926) was a German philosopher. He received the 1908 Nobel Prize in Literature "in recognition of his earnest search for truth, his penetrating power of thought, his wide range of vision, and ...


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Johann Albert Fabricius Johann Albert Fabricius (11 November 1668 – 30 April 1736) was a German classical scholar and bibliographer. Biography Fabricius was born at Leipzig, son of Werner Fabricius, director of music in the church of St. Paul at Leipzig, who was the ...
* Ismail Raji' al-Faruqi * Nosson Tzvi Finkel * John Finnis *
Joseph Fins Joseph J. Fins, M.D., D. Hum. Litt., M.A.C.P., F.R.C.P. (born 1959) is an American physician and medical ethicist. He is chief of the Division of Medical Ethics at New York Presbyterian Hospital and Weill Cornell Medical College, where he serves a ...
* Owen Flanagan * Joseph Fletcher *
Philippa Foot Philippa Ruth Foot (; née Bosanquet; 3 October 1920 – 3 October 2010) was an English philosopher and one of the founders of contemporary virtue ethics, who was inspired by the ethics of Aristotle. Along with Judith Jarvis Thomson, she is c ...
* William K. Frankena * Alexander Campbell Fraser * R. Edward Freeman *
R. G. Frey Raymond G. Frey (; 1941–2012) was a professor of philosophy at Bowling Green State University, specializing in moral, political and legal philosophy, and author or editor of a number of books. He was a noted critic of animal rights. Biography ...
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Erich Fromm Erich Seligmann Fromm (; ; March 23, 1900 – March 18, 1980) was a German social psychologist, psychoanalyst, sociologist, humanistic philosopher, and democratic socialist. He was a German Jew who fled the Nazi regime and settled in the U ...


G

* Raimond Gaita *
Mohandas Gandhi Mohandas Karamchand Gandhi (; ; 2 October 1869 – 30 January 1948), popularly known as Mahatma Gandhi, was an Indian lawyer, anti-colonial nationalist Quote: "... marks Gandhi as a hybrid cosmopolitan figure who transformed ... anti- ...
* Reginald Garrigou-Lagrange, OP *
David Gauthier David Gauthier (; born 10 September 1932) is a Canadian-American philosopher best known for his neo-Hobbesian social contract (contractarian) theory of morality, as developed in his 1986 book ''Morals by Agreement''. Life and career Gauthie ...
* Alan Gewirth *
Al-Ghazali Al-Ghazali ( – 19 December 1111; ), full name (), and known in Persian-speaking countries as Imam Muhammad-i Ghazali (Persian: امام محمد غزالی) or in Medieval Europe by the Latinized as Algazelus or Algazel, was a Persian poly ...
* Allan Gibbard *
Peter Goldie Peter Goldie (5 November 1946 – 22 October 2011) was a British businessman and then academic philosopher with interests in ethics and aesthetics. He was the Samuel Hall Chair in Philosophy and Head of thPhilosophy Discipline Areaof thSchool of S ...
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Victor Gollancz Sir Victor Gollancz (; 9 April 1893 – 8 February 1967) was a British publisher and humanitarian. Gollancz was known as a supporter of left-wing causes. His loyalties shifted between liberalism and communism, but he defined himself as a Chris ...
* Celia Green * Thomas Hill Green *
Stanley Grenz Stanley James Grenz (1950–2005) was an American Christian theologian and ethicist in the Baptist tradition. Early years Grenz was born on 7 January 1950 in Alpena, Michigan. Grenz graduated from the University of Colorado in 1973. He then earn ...
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Hugo Grotius Hugo Grotius (; 10 April 1583 – 28 August 1645), also known as Huig de Groot () and Hugo de Groot (), was a Dutch humanist, diplomat, lawyer, theologian, jurist, poet and playwright. A teenage intellectual prodigy, he was born in Delft ...
* Tenzin Gyatso, the 14th
Dalai Lama Dalai Lama (, ; ) is a title given by the Tibetan people to the foremost spiritual leader of the Gelug or "Yellow Hat" school of Tibetan Buddhism, the newest and most dominant of the four major schools of Tibetan Buddhism. The 14th and current D ...


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Jürgen Habermas Jürgen Habermas (, ; ; born 18 June 1929) is a German social theorist in the tradition of critical theory and pragmatism. His work addresses communicative rationality and the public sphere. Associated with the Frankfurt School, Habermas's wo ...
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Hammurabi Hammurabi (Akkadian: ; ) was the sixth Amorite king of the Old Babylonian Empire, reigning from to BC. He was preceded by his father, Sin-Muballit, who abdicated due to failing health. During his reign, he conquered Elam and the city-states ...
* R. M. Hare * Gilbert Harman * Sam Harris * John Harsanyi * Robert S. Hartman * Stanley Hauerwas * Henry Hazlitt *
Paul Hawken Paul Gerard Hawken (born February 8, 1946) is an American environmentalist, entrepreneur, author, economist, and activist. Biography Hawken was born in San Mateo, California, and grew up in the San Francisco Bay Area, where his father worked at ...
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Martin Heidegger Martin Heidegger (; ; 26 September 188926 May 1976) was a German philosopher who is best known for contributions to phenomenology, hermeneutics, and existentialism. He is among the most important and influential philosophers of the 20th centu ...
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Erich Heller Erich Heller (27 March 1911 – 5 November 1990) was a British essayist, known particularly for his critical studies in German-language philosophy and literature of the nineteenth and twentieth centuries. Biography Heller was born at Chomutov ...
* Claude Adrien Helvétius * Johann Friedrich Herbart * Abraham Joshua Heschel *
Hierocles of Alexandria Hierocles of Alexandria ( el, Ἱεροκλῆς ὁ Ἀλεξανδρεύς) was a Greek Neoplatonist writer who was active around AD 430. Life He studied under Plutarch (the Neoplatonist) at Athens in the early 5th century, and taught for some ...
* James Hinton *
Thomas Hobbes Thomas Hobbes ( ; 5/15 April 1588 – 4/14 December 1679) was an English philosopher, considered to be one of the founders of modern political philosophy. Hobbes is best known for his 1651 book '' Leviathan'', in which he expounds an influ ...
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Wau Holland Herwart Holland-Moritz, known as Wau Holland, (20 December 1951 – 29 July 2001) was a German computer security activist and journalist who in 1981 cofounded the Chaos Computer Club (CCC), one of the world's oldest hacking clubs. Career ...
* Oscar Horta * Hans-Hermann Hoppe *
David Hume David Hume (; born David Home; 7 May 1711 NS (26 April 1711 OS) – 25 August 1776) Cranston, Maurice, and Thomas Edmund Jessop. 2020 999br>David Hume" '' Encyclopædia Britannica''. Retrieved 18 May 2020. was a Scottish Enlightenment ph ...
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John Peters Humphrey John Peters Humphrey (April 30, 1905 – March 14, 1995) was a Canadian legal scholar, jurist, and human rights advocate. He is most famous as the principal author of the first draft of the Universal Declaration of Human Rights. Childhood, ...
- author of UN Declaration of Universal Human Rights * Edward Hundert * Rosalind Hursthouse * Francis Hutcheson *
Thomas Henry Huxley Thomas Henry Huxley (4 May 1825 – 29 June 1895) was an English biologist and anthropologist specialising in comparative anatomy. He has become known as "Darwin's Bulldog" for his advocacy of Charles Darwin's theory of evolution. The stori ...


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* Lauri Ingman * Alija Izetbegović


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Jane Jacobs Jane Jacobs (''née'' Butzner; 4 May 1916 – 25 April 2006) was an American-Canadian journalist, author, theorist, and activist who influenced urban studies, sociology, and economics. Her book ''The Death and Life of Great American Cities'' ...
- author of Systems of Survival *
Paul Janet Paul Alexandre René Janet (30 April 1823 – 4 October 1899) was a French philosopher and writer. Biography Born in Paris, he became professor of moral philosophy at Bourges (1845–1848) and Strasbourg (1848–1857), and of logic at the ''lyc ...
* Francis Jeffrey *
Théodore Simon Jouffroy Théodore Simon Jouffroy (6 July 17964 February 1842) was a French philosopher. Biography He was born at Les Pontets, Franche-Comté, département of Doubs. In his tenth year, his father, a tax-gatherer, sent him to an uncle at Pontarlier, u ...
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Jesus of Nazareth Jesus, likely from he, יֵשׁוּעַ, translit=Yēšūaʿ, label=Hebrew/Aramaic ( AD 30 or 33), also referred to as Jesus Christ or Jesus of Nazareth (among other names and titles), was a first-century Jewish preacher and religiou ...
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John Paul II Pope John Paul II ( la, Ioannes Paulus II; it, Giovanni Paolo II; pl, Jan Paweł II; born Karol Józef Wojtyła ; 18 May 19202 April 2005) was the head of the Catholic Church and sovereign of the Vatican City State from 1978 until his ...


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Shelly Kagan Shelly Kagan () (born 1956) is Clark Professor of Philosophy at Yale University, where he has taught since 1995. He is best known for his writings about moral philosophy and normative ethics. In 2007, Kagan's course about death was offered for fr ...
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Immanuel Kant Immanuel Kant (, , ; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works in epistemology, metaphysics, ethics, and ...
- ''Metaphysic of Ethics'' *
Rushworth Kidder Rushworth Moulton Kidder (May 8, 1944 – March 5, 2012) was an American author, ethicist, and professor. Kidder founded the Institute for Global Ethics in 1990, and is the author of ''Moral Courage'' and ''How Good People Make Tough Choices: Resolv ...
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Søren Kierkegaard Søren Aabye Kierkegaard ( , , ; 5 May 1813 – 11 November 1855) was a Danish theologian, philosopher, poet, social critic, and religious author who is widely considered to be the first existentialist philosopher. He wrote critical texts on ...
* Martin Luther King Jr. * İoanna Kuçuradi *
Israel Kirzner Israel Meir Kirzner (also Yisroel Mayer Kirzner ; born February 13, 1930) is a British-born American economist closely identified with the Austrian School. Early life and education The son of a well-known rabbi and Talmudist, Kirzner was born i ...
* Lawrence Kohlberg *
Mario Kopić Mario Kopić (born 13 March 1965) is a philosopher, author and translator. His main areas of interest include: the history of ideas, the philosophy of art, the philosophy of culture, phenomenology and the philosophy of religion. Kopić is influ ...
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Christine Korsgaard Christine Marion Korsgaard, (; born April 9, 1952) is an American philosopher who is the Arthur Kingsley Porter Professor of Philosophy Emerita at Harvard University. Her main scholarly interests are in moral philosophy and its history; the relat ...
* David Korten * Tadeusz Kotarbiński *
Peter Kropotkin Pyotr Alexeyevich Kropotkin (; russian: link=no, Пётр Алексе́евич Кропо́ткин ; 9 December 1842 – 8 February 1921) was a Russian anarchist, socialist, revolutionary, historian, scientist, philosopher, and activist ...
* Hans Küng


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* Louis Lavelle *
Aldo Leopold Aldo Leopold (January 11, 1887 – April 21, 1948) was an American writer, philosopher, naturalist, scientist, ecologist, forester, conservationist, and environmentalist. He was a professor at the University of Wisconsin and is best known for his ...
* Barron H. Lerner *
Emmanuel Levinas Emmanuel Levinas (; ; 12 January 1906 – 25 December 1995) was a French philosopher of Lithuanian Jewish ancestry who is known for his work within Jewish philosophy, existentialism, and phenomenology, focusing on the relationship of ethics to ...
* Saint Alphonsus Liguori CSsR *
Andrew Linzey Andrew Linzey (born 2 February 1952) is an English Anglican priest, theologian, and prominent figure in Christian vegetarianism. He is a member of the Faculty of Theology at the University of Oxford, and held the world's first academic post in Eth ...
* D. Stephen Long *
John Locke John Locke (; 29 August 1632 – 28 October 1704) was an English philosopher and physician, widely regarded as one of the most influential of Enlightenment thinkers and commonly known as the "father of liberalism". Considered one of ...
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Antoine Garaby de La Luzerne Antoine de Garaby, sieur de Pierrepont, de La Luzerne et d'Étienville (28 October 1617 – 4 July 1679) was a French moralist. Garaby de La Luzerne was born in the family manor of La Besnardière at Montchaton near Coutances. He was the son of Be ...
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Moshe Chaim Luzzatto Moshe Chaim Luzzatto ( he, משה חיים לוצאטו, also ''Moses Chaim'', ''Moses Hayyim'', also ''Luzzato'') (1707 – 16 May 1746 (26 ''Iyar'' 5506)), also known by the Hebrew acronym RaMCHaL (or RaMHaL, ), was a prominent Itali ...


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Niccolò Machiavelli Niccolò di Bernardo dei Machiavelli ( , , ; 3 May 1469 – 21 June 1527), occasionally rendered in English as Nicholas Machiavel ( , ; see below), was an Italian diplomat, author, philosopher and historian who lived during the Renaissance. ...
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Alasdair MacIntyre Alasdair Chalmers MacIntyre (; born 12 January 1929) is a Scottish-American philosopher who has contributed to moral and political philosophy as well as history of philosophy and theology. MacIntyre's '' After Virtue'' (1981) is one of the mos ...
* J. L. Mackie * William MacAskill *
Maimonides Musa ibn Maimon (1138–1204), commonly known as Maimonides (); la, Moses Maimonides and also referred to by the acronym Rambam ( he, רמב״ם), was a Sephardic Jewish philosopher who became one of the most prolific and influential Torah ...
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Mao Zedong Mao Zedong pronounced ; also Romanization of Chinese, romanised traditionally as Mao Tse-tung. (26 December 1893 – 9 September 1976), also known as Chairman Mao, was a Chinese communist revolutionary who was the List of national founde ...
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Marcion of Sinope Marcion of Sinope (; grc, Μαρκίων ; ) was an early Christian theologian in early Christianity. Marcion preached that God had sent Jesus Christ who was an entirely new, alien god, distinct from the vengeful God of Israel who had created ...
* Jack Mahoney *
Jacques Maritain Jacques Maritain (; 18 November 1882 – 28 April 1973) was a French Catholic philosopher. Raised Protestant, he was agnostic before converting to Catholicism in 1906. An author of more than 60 books, he helped to revive Thomas Aquinas fo ...
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James Martineau James Martineau (; 21 April 1805 – 11 January 1900) was a British religious philosopher influential in the history of Unitarianism. For 45 years he was Professor of Mental and Moral Philosophy and Political Economy in Manchester New College ...
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John McDowell John Henry McDowell, FBA (born 7 March 1942) is a South African philosopher, formerly a fellow of University College, Oxford, and now university professor at the University of Pittsburgh. Although he has written on metaphysics, epistemolo ...
* Glenn McGee * Ralph McInerny *
Donella Meadows Donella Hager "Dana" Meadows (March 13, 1941 – February 20, 2001) was an American environmental scientist, educator, and writer. She is best known as lead author of the books ''The Limits to Growth'' and '' Thinking In Systems: A Primer''. ...
* Peter Medawar *
Mencius Mencius ( ); born Mèng Kē (); or Mèngzǐ (; 372–289 BC) was a Chinese Confucian philosopher who has often been described as the "second Sage", that is, second to Confucius himself. He is part of Confucius' fourth generation of discip ...
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Menedemus Menedemus of Eretria ( grc-gre, Μενέδημος ὁ Ἐρετριεύς; 345/44 – 261/60 BC) was a Greek philosopher and founder of the Eretrian school. He learned philosophy first in Athens, and then, with his friend Asclepiades, he subseq ...
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Alan Morinis Alan Morinis (born December 8, 1949) is a Canadian anthropologist, filmmaker, and writer who has been a leading figure in the contemporary revival of the Musar movement, a Jewish ethical movement. Early life and secular education Morinis was ...
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Mozi Mozi (; ; Latinized as Micius ; – ), original name Mo Di (), was a Chinese philosopher who founded the school of Mohism during the Hundred Schools of Thought period (the early portion of the Warring States period, –221 BCE). The ancie ...
* Fatema Mernissi *
Mary Midgley Mary Beatrice Midgley (' Scrutton; 13 September 1919 – 10 October 2018) was a British philosopher. A senior lecturer in philosophy at Newcastle University, she was known for her work on science, ethics and animal rights. She wrote her first b ...
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James Mill James Mill (born James Milne; 6 April 1773 – 23 June 1836) was a Scottish historian, economist, political theorist, and philosopher. He is counted among the founders of the Ricardian school of economics. He also wrote ''The History of Briti ...
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John Stuart Mill John Stuart Mill (20 May 1806 – 7 May 1873) was an English philosopher, political economist, Member of Parliament (MP) and civil servant. One of the most influential thinkers in the history of classical liberalism, he contributed widely to ...
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Moses Moses hbo, מֹשֶׁה, Mōše; also known as Moshe or Moshe Rabbeinu ( Mishnaic Hebrew: מֹשֶׁה רַבֵּינוּ, ); syr, ܡܘܫܐ, Mūše; ar, موسى, Mūsā; grc, Mωϋσῆς, Mōÿsēs () is considered the most important pr ...
– the
Ethical Decalogue The Ten Commandments (Biblical Hebrew עשרת הדברים \ עֲשֶׂרֶת הַדְּבָרִים, ''aséret ha-dvarím'', lit. The Decalogue, The Ten Words, cf. Mishnaic Hebrew עשרת הדיברות \ עֲשֶׂרֶת הַדִּבְ ...
*
Michele Moody-Adams Michele Moody-Adams is an American philosopher and academic administrator. Between July 1, 2009, and September 2011, she served as Dean of Columbia College and Vice President for Undergraduate Education at Columbia University. She was the firs ...
* G. E. Moore * Radhakamal Mukerjee * Iris Murdoch


N

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Thomas Nagel Thomas Nagel (; born July 4, 1937) is an American philosopher. He is the University Professor of Philosophy and Law Emeritus at New York University, where he taught from 1980 to 2016. His main areas of philosophical interest are legal philosophy, ...
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Seyyed Hossein Nasr Seyyed Hossein Nasr (; fa, سید حسین نصر, born April 7, 1933) is an Iranian philosopher and University Professor of Islamic studies at George Washington University. Born in Tehran, Nasr completed his education in Iran and the Unite ...
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Oswald von Nell-Breuning Oswald von Nell-Breuning (8 March 1890 – 21 August 1991) was a Roman Catholic theologian and sociologist. Born in Trier, Germany into an aristocratic family, Nell-Breuning was ordained in 1921 and appointed Professor of Ethics at the Sa ...
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H. Richard Niebuhr Helmut Richard Niebuhr (September 3, 1894 – July 5, 1962) is considered one of the most important Christian theological ethicists in 20th-century America, best known for his 1951 book ''Christ and Culture'' and his posthumously published book ...
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Reinhold Niebuhr Karl Paul Reinhold Niebuhr (June 21, 1892 – June 1, 1971) was an American Reformed theologian, ethicist, commentator on politics and public affairs, and professor at Union Theological Seminary for more than 30 years. Niebuhr was one of Ameri ...
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Friedrich Nietzsche Friedrich Wilhelm Nietzsche (; or ; 15 October 1844 – 25 August 1900) was a German philosopher, prose poet, cultural critic, philologist, and composer whose work has exerted a profound influence on contemporary philosophy. He began his ...
* Carlos Santiago Nino * Karl Immanuel Nitzsch * David L. Norton *
Robert Nozick Robert Nozick (; November 16, 1938 – January 23, 2002) was an American philosopher. He held the Joseph Pellegrino University Professorship at Harvard University,
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Martha Nussbaum Martha Craven Nussbaum (; born May 6, 1947) is an American philosopher and the current Ernst Freund Distinguished Service Professor of Law and Ethics at the University of Chicago, where she is jointly appointed in the law school and the philosop ...
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Guru Nanak Gurū Nānak (15 April 1469 – 22 September 1539; Gurmukhi: ਗੁਰੂ ਨਾਨਕ; pronunciation: , ), also referred to as ('father Nānak'), was the founder of Sikhism and is the first of the ten Sikh Gurus. His birth is celebrated w ...


O

* Hilda D. Oakeley * John Joseph O'Connor * Onora O'Neill *
Michel Onfray Michel Onfray (; born 1 January 1959) is a French writer and philosopher with a hedonistic, epicurean and atheist worldview. A highly-prolific author on philosophy, he has written over 100 books. His philosophy is mainly influenced by such thin ...


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Blaise Pascal Blaise Pascal ( , , ; ; 19 June 1623 – 19 August 1662) was a French mathematician, physicist, inventor, philosopher, and Catholic writer. He was a child prodigy who was educated by his father, a tax collector in Rouen. Pascal's earliest ...
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Bahya ibn Paquda Bahya ben Joseph ibn Paquda (also: Pakuda, Bakuda, Hebrew: , ar, بهية بن فاقودا), c. 1050–1120, was a Jewish philosopher and rabbi who lived at Zaragoza, Al-Andalus (now Spain). He was one of two people now known as Rabbeinu Behay ...
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Derek Parfit Derek Antony Parfit (; 11 December 1942 – 1 or 2 January 2017) was a British philosopher who specialised in personal identity, rationality, and ethics. He is widely considered one of the most important and influential moral philosophers of ...
* David Pearce * Philip Pettit * Philo of Alexandria *
Plato Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institution ...
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Tess Posner Tess Posner is an American Social entrepreneurship, social entrepreneur and musician best known for her work in artificial intelligence advocacy and Ethics of artificial intelligence, ethics, focusing on increasing equity and inclusion in techno ...
* Noel Preston * Richard Price *
Prodicus Prodicus of Ceos (; grc-gre, Πρόδικος ὁ Κεῖος, ''Pródikos ho Keios''; c. 465 BC – c. 395 BC) was a Greek philosopher, and part of the first generation of Sophists. He came to Athens as ambassador from Ceos, and became known ...


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Quintilian Marcus Fabius Quintilianus (; 35 – 100 AD) was a Roman educator and rhetorician from Hispania, widely referred to in medieval schools of rhetoric and in Renaissance writing. In English translation, he is usually referred to as Quintilia ...


R

* Fazlur Rahman *
Peter Railton Peter Albert Railton (born May 23, 1950) is an American philosopher who is Gregory S. Kavka Distinguished University Professor and John Stephenson Perrin Professor of Philosophy at the University of Michigan, Ann Arbor, where he has taught sinc ...
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Ayn Rand Alice O'Connor (born Alisa Zinovyevna Rosenbaum;, . Most sources transliterate her given name as either ''Alisa'' or ''Alissa''. , 1905 – March 6, 1982), better known by her pen name Ayn Rand (), was a Russian-born American writer and p ...
* John Rawls * Joseph Raz * Tom Regan *
George Croom Robertson George Croom Robertson (10 March 1842 – 20 September 1892) was a Scottish philosopher. He sat on the Committee of the National Society for Women's Suffrage and his wife, Caroline Anna Croom Robertson was a college administrator. Biography He ...
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Richard Rorty Richard McKay Rorty (October 4, 1931 – June 8, 2007) was an American philosopher. Educated at the University of Chicago and Yale University, he had strong interests and training in both the history of philosophy and in contemporary analytic ...
* W. D. Ross * Murray Rothbard *
Jean-Jacques Rousseau Jean-Jacques Rousseau (, ; 28 June 1712 – 2 July 1778) was a Genevan philosopher, writer, and composer. His political philosophy influenced the progress of the Age of Enlightenment throughout Europe, as well as aspects of the French Revolu ...
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John Ruskin John Ruskin (8 February 1819 20 January 1900) was an English writer, philosopher, art critic and polymath of the Victorian era. He wrote on subjects as varied as geology, architecture, myth, ornithology, literature, education, botany and pol ...
* Emma Rush *
Bertrand Russell Bertrand Arthur William Russell, 3rd Earl Russell, (18 May 1872 – 2 February 1970) was a British mathematician, philosopher, logician, and public intellectual. He had a considerable influence on mathematics, logic, set theory, linguistics, a ...


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Marquis de Sade Donatien Alphonse François, Marquis de Sade (; 2 June 1740 – 2 December 1814), was a French nobleman, revolutionary politician, philosopher and writer famous for his literary depictions of a libertine sexuality as well as numerous accusati ...
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Edward Said Edward Wadie Said (; , ; 1 November 1935 – 24 September 2003) was a Palestinian-American professor of literature at Columbia University, a public intellectual, and a founder of the academic field of postcolonial studies.Robert Young, ''Whit ...
* Israel Salanter * Michael J. Sandel * Julian Savulescu * Ziauddin Sardar *
John Ralston Saul John Ralston Saul (born June 19, 1947) is a Canadian writer, political philosopher, and public intellectual. Saul is most widely known for his writings on the nature of individualism, citizenship and the Public good (economics), public good; t ...
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Geoffrey Sayre-McCord Geoffrey Sayre-McCord (né McCord, born December 10, 1956) is an American philosopher who works in moral theory, ethics, meta-ethics, the history of ethics, and epistemology. He teaches at the University of North Carolina, Chapel Hill. He is ...
* Giovanni Battista Scaramelli *
T. M. Scanlon Thomas Michael "Tim" Scanlon (; born 1940), usually cited as T. M. Scanlon, is an American philosopher. At the time of his retirement in 2016, he was the Alford Professor of Natural Religion, Moral Philosophy, and Civil Polity"The Alford Professo ...
* Zalman Schachter-Shalomi * Samuel Scheffler *
Max Scheler Max Ferdinand Scheler (; 22 August 1874 – 19 May 1928) was a German philosopher known for his work in phenomenology, ethics, and philosophical anthropology. Considered in his lifetime one of the most prominent German philosophers,Davis, Za ...
*
Friedrich Schiller Johann Christoph Friedrich von Schiller (, short: ; 10 November 17599 May 1805) was a German playwright, poet, and philosopher. During the last seventeen years of his life (1788–1805), Schiller developed a productive, if complicated, friendsh ...
* Friedrich Daniel Ernst Schleiermacher * Karl Wilhelm Friedrich von Schlegel * Moritz Schlick *
Frank Schmalleger Frank Schmalleger (born August 28, 1947) is a Distinguished Professor Emeritus at the University of North Carolina at Pembroke. He holds degrees from the University of Notre Dame and The Ohio State University, having earned both a master's (19 ...
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David Schmidtz David Schmidtz (; born 1955) is a Canadian-American philosopher. He is Presidential Chair of Moral Science at West Virginia University's Chambers College of Business and Economics. He is also editor-in-chief of the journal ''Social Philosophy & ...
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Arthur Schopenhauer Arthur Schopenhauer ( , ; 22 February 1788 – 21 September 1860) was a German philosopher. He is best known for his 1818 work ''The World as Will and Representation'' (expanded in 1844), which characterizes the phenomenal world as the prod ...
* Albert Schweitzer *
Amartya Sen Amartya Kumar Sen (; born 3 November 1933) is an Indian economist and philosopher, who since 1972 has taught and worked in the United Kingdom and the United States. Sen has made contributions to welfare economics, social choice theory, economi ...
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Lucius Annaeus Seneca Lucius Annaeus Seneca the Younger (; 65 AD), usually known mononymously as Seneca, was a Stoic philosopher of Ancient Rome, a statesman, dramatist, and, in one work, satirist, from the post-Augustan age of Latin literature. Seneca was born ...
* Russ Shafer-Landau * Henry Sidgwick *
Georg Simmel Georg Simmel (; ; 1 March 1858 – 26 September 1918) was a German sociologist, philosopher, and critic. Simmel was influential in the field of sociology. Simmel was one of the first generation of German sociologists: his neo-Kantian approac ...
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Peter Singer Peter Albert David Singer (born 6 July 1946) is an Australian moral philosopher, currently the Ira W. DeCamp Professor of Bioethics at Princeton University. He specialises in applied ethics and approaches ethical issues from a secular ...
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B. F. Skinner Burrhus Frederic Skinner (March 20, 1904 – August 18, 1990) was an American psychologist, behaviorist, author, inventor, and social philosopher. He was a professor of psychology at Harvard University from 1958 until his retirement in 1974. C ...
* J. J. C. Smart *
Adam Smith Adam Smith (baptized 1723 – 17 July 1790) was a Scottish economist and philosopher who was a pioneer in the thinking of political economy and key figure during the Scottish Enlightenment. Seen by some as "The Father of Economics"—— ...
* Holly Martin Smith * Michael A. Smith *
Wesley J. Smith Wesley J. Smith (born 1949) is an American lawyer and author, a Senior Fellow at the Discovery Institute's Center on Human Exceptionalism, a politically conservative non-profit think tank. He is also a consultant for the Patients Rights Council. Sm ...
* Vladimir Solovyov * Margaret Somerville *
Herbert Spencer Herbert Spencer (27 April 1820 – 8 December 1903) was an English philosopher, psychologist, biologist, anthropologist, and sociologist famous for his hypothesis of social Darwinism. Spencer originated the expression " survival of the f ...
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Baruch Spinoza Baruch (de) Spinoza (born Bento de Espinosa; later as an author and a correspondent ''Benedictus de Spinoza'', anglicized to ''Benedict de Spinoza''; 24 November 1632 – 21 February 1677) was a Dutch philosopher of Portuguese-Jewish origin, ...
* John Shelby Spong * Walter Terence Stace * Olaf Stapledon * Charles Stevenson *
Dugald Stewart Dugald Stewart (; 22 November 175311 June 1828) was a Scottish philosopher and mathematician. Today regarded as one of the most important figures of the later Scottish Enlightenment, he was renowned as a populariser of the work of Francis Hut ...
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Max Stirner Johann Kaspar Schmidt (25 October 1806 – 26 June 1856), known professionally as Max Stirner, was a German post-Hegelian philosopher, dealing mainly with the Hegelian notion of social alienation and self-consciousness. Stirner is often seen a ...
* Stobaeus *
Ira F. Stone Rabbi Ira F. Stone (born 1949) is a leading figure in the contemporary renewal of the Musar movement, a Jewish ethical movement. Career Stone was ordained as a rabbi at the Jewish Theological Seminary of America in 1979, and proceeded to serve ...
* Jeffrey Stout *
Leslie Stephen Sir Leslie Stephen (28 November 1832 – 22 February 1904) was an English author, critic, historian, biographer, and mountaineer, and the father of Virginia Woolf and Vanessa Bell. Life Sir Leslie Stephen came from a distinguished intellect ...
* David Friedrich Strauss *
Sun Yat-sen Sun Yat-sen (; also known by several other names; 12 November 1866 – 12 March 1925)Singtao daily. Saturday edition. 23 October 2010. section A18. Sun Yat-sen Xinhai revolution 100th anniversary edition . was a Chinese politician who serve ...


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* Gabriele Taylor * Jenny Teichman *
Larry Temkin Larry Temkin is an American philosopher specializing in normative ethics and political philosophy. His research into equality, practical reason, and the nature of the good has been very influential. His work on the intransitivity of the "all thing ...
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Judith Jarvis Thomson Judith Jarvis Thomson (October 4, 1929November 20, 2020) was an American philosopher who studied and worked on ethics and metaphysics. Her work ranges across a variety of fields, but she is most known for her work regarding the thought experimen ...
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Paul Tillich Paul Johannes Tillich (August 20, 1886 – October 22, 1965) was a German-American Christian existentialist philosopher, religious socialist, and Lutheran Protestant theologian who is widely regarded as one of the most influential theolo ...
* Hsun Tzu *
Leo Tolstoy Count Lev Nikolayevich TolstoyTolstoy pronounced his first name as , which corresponds to the romanization ''Lyov''. () (; russian: link=no, Лев Николаевич Толстой,In Tolstoy's day, his name was written as in pre-refor ...
* Joan Tronto * Konstantin Tsiolkovsky * Thiruvalluvar


U to Z

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Henry Babcock Veatch Henry Babcock Veatch Jr. (September 26, 1911 – July 9, 1999) was an American philosopher. Life and career Veatch was born September 26, 1911, in Evansville, Indiana. He attended Harvard University, where he received his A.B. and M.A. degre ...
* Francisco de Vitoria *
Johann Georg Walch Johann Georg Walch (17 June 1693 – 13 January 1775) was a German Lutheran theologian. Life He was born in Meiningen, where his father, Georg Walch, was general superintendent. He studied at Leipzig and Jena, amongst his teachers being J. F. ...
* William George Ward * Otto Weininger *
William Whewell William Whewell ( ; 24 May 17946 March 1866) was an English polymath, scientist, Anglican priest, philosopher, theologian, and historian of science. He was Master of Trinity College, Cambridge. In his time as a student there, he achieved ...
* Philip Wicksteed * Benjamin Wiker * Daniel Wikler *
Bernard Williams Sir Bernard Arthur Owen Williams, FBA (21 September 1929 – 10 June 2003) was an English moral philosopher. His publications include ''Problems of the Self'' (1973), ''Ethics and the Limits of Philosophy'' (1985), ''Shame and Necessity'' ...
* Susan Wolf *
Christian Wolff (philosopher) Christian Wolff (less correctly Wolf, ; also known as Wolfius; ennobled as Christian Freiherr von Wolff in 1745; 24 January 1679 – 9 April 1754) was a German philosopher. Wolff is characterized as the most eminent German philosopher between Le ...
* William Wollaston *
Xenocrates Xenocrates (; el, Ξενοκράτης; c. 396/5314/3 BC) of Chalcedon was a Greek philosopher, mathematician, and leader ( scholarch) of the Platonic Academy from 339/8 to 314/3 BC. His teachings followed those of Plato, which he attempted t ...
* Xunzi * John Howard Yoder * Simcha Zissel Ziv *
Theodor Zwinger Theodor Zwinger the Elder (2 August 1533 – 10 March 1588) was a Swiss physician and Renaissance humanist scholar. He made significant contributions to the emerging genres of reference and travel literature. He was the first distinguished repr ...
*
Swami Vivekananda Swami Vivekananda (; ; 12 January 1863 – 4 July 1902), born Narendranath Datta (), was an Indian Hindu monk, philosopher, author, religious teacher, and the chief disciple of the Indian mystic Ramakrishna. He was a key figure in the intr ...
*
Zoroaster Zoroaster,; fa, زرتشت, Zartosht, label= Modern Persian; ku, زەردەشت, Zerdeşt also known as Zarathustra,, . Also known as Zarathushtra Spitama, or Ashu Zarathushtra is regarded as the spiritual founder of Zoroastrianism. He is ...


See also

* Index of ethics articles * List of ethics topics *
List of philosophers This is a list of lists of philosophers, organized by subarea, nationality, religion, and time period. Lists of philosophers by subfield * List of aestheticians * List of critical theorists * List of environmental philosophers * List of epis ...
* Outline of ethics


References

{{DEFAULTSORT:Ethicists * Lists of philosophers Ethics lists