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Famous Philosophers and Their Big Ideas
Major thinkers from ancient times to the modern era and what each is known for.
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93 cards
- ThalesPhilosopherEarly Greek thinker who said water is the basic stuff of everything
- HeraclitusPhilosopherSaid everything is in flux: 'you cannot step into the same river twice'
- ParmenidesPhilosopherArgued that reality is unchanging and that change is an illusion
- PythagorasPhilosopherGreek thinker linking number and harmony to the structure of the universe
- DemocritusPhilosopherProposed that all matter is made of tiny indivisible atoms
- Zeno of EleaPhilosopherPosed paradoxes arguing that motion is impossible
- SocratesPhilosopherQuestioned others to find truth; 'the unexamined life is not worth living'
- PlatoPhilosopherStudent of Socrates; theory of Forms and the Republic
- AristotlePhilosopherStudent of Plato; logic, virtue ethics and the golden mean
- EpicurusPhilosopherTaught that a good life is tranquility and freedom from fear and pain
- Zeno of CitiumPhilosopherFounder of Stoicism
- EpictetusPhilosopherStoic who taught focusing on what is within our control
- Marcus AureliusPhilosopherRoman emperor and Stoic; wrote the Meditations
- SenecaPhilosopherRoman Stoic who wrote letters on living well
- ConfuciusPhilosopherChinese thinker who stressed virtue, family duty and respect
- LaoziPhilosopherTraditional author of the Tao Te Ching, central to Daoism
- MenciusPhilosopherConfucian thinker who held that human nature is good
- Sun TzuPhilosopherAuthor of The Art of War
- Siddhartha GautamaPhilosopherThe Buddha, founder of Buddhism, who taught the path ending suffering
- Augustine of HippoPhilosopherEarly Christian thinker who wrote Confessions and City of God
- BoethiusPhilosopherRoman philosopher who wrote The Consolation of Philosophy
- Avicenna (Ibn Sina)PhilosopherPersian philosopher and physician whose works shaped medieval thought
- Averroes (Ibn Rushd)PhilosopherAndalusian philosopher who commented on Aristotle
- MaimonidesPhilosopherMedieval Jewish philosopher who wrote the Guide for the Perplexed
- Thomas AquinasPhilosopherMedieval thinker who blended Aristotle with Christian theology
- Ibn KhaldunPhilosopherNorth African scholar who studied the rise and fall of societies
- Niccolo MachiavelliPhilosopherWrote The Prince on power and politics
- Thomas MorePhilosopherWrote Utopia, describing an imagined ideal society
- Francis BaconPhilosopherChampion of the scientific method based on observation
- Thomas HobbesPhilosopherArgued that strong government is needed to avoid a life that is 'nasty, brutish and short'
- Rene DescartesPhilosopher'I think, therefore I am'; mind-body dualism
- Blaise PascalPhilosopherMathematician and thinker who proposed Pascal's wager
- Baruch SpinozaPhilosopherRationalist who saw god and nature as one
- John LockePhilosopherEmpiricist who argued for natural rights and government by consent
- Gottfried LeibnizPhilosopherRationalist who said we live in 'the best of all possible worlds'
- George BerkeleyPhilosopherIdealist: 'to be is to be perceived'
- David HumePhilosopherEmpiricist skeptic who questioned cause and effect and induction
- Jean-Jacques RousseauPhilosopherWrote The Social Contract and the idea of the general will
- VoltairePhilosopherEnlightenment writer who defended tolerance and free speech
- MontesquieuPhilosopherArgued for the separation of powers
- Adam SmithPhilosopherMoral philosopher and economist who wrote The Wealth of Nations
- Immanuel KantPhilosopherCategorical imperative; argued the mind shapes experience
- Mary WollstonecraftPhilosopherEarly advocate for women's education and rights
- G.W.F. HegelPhilosopherIdealist who saw history as the unfolding of reason; dialectic
- Arthur SchopenhauerPhilosopherPessimist who saw will as the root of suffering
- Jeremy BenthamPhilosopherFounder of utilitarianism
- John Stuart MillPhilosopherUtilitarian who defended liberty in On Liberty
- Soren KierkegaardPhilosopherFounder of existentialism; the leap of faith
- Karl MarxPhilosopherAnalyzed capitalism and class struggle
- Friedrich NietzschePhilosopherDeclared 'God is dead'; will to power and the overman
- William JamesPhilosopherAmerican pragmatist and psychologist
- Charles Sanders PeircePhilosopherFounder of pragmatism
- John DeweyPhilosopherPragmatist who championed learning by doing
- Henry David ThoreauPhilosopherWrote Walden and Civil Disobedience
- Ralph Waldo EmersonPhilosopherTranscendentalist who urged self-reliance
- Edmund HusserlPhilosopherFounder of phenomenology
- Martin HeideggerPhilosopherWrote Being and Time on the meaning of being
- Bertrand RussellPhilosopherLogician and philosopher who co-wrote Principia Mathematica
- Ludwig WittgensteinPhilosopherPhilosopher of language: 'the limits of my language mean the limits of my world'
- Karl PopperPhilosopherProposed falsifiability as the mark of science
- Thomas KuhnPhilosopherWrote about scientific revolutions and paradigm shifts
- Jean-Paul SartrePhilosopherExistentialist: 'existence precedes essence'
- Simone de BeauvoirPhilosopherExistentialist feminist who wrote The Second Sex
- Albert CamusPhilosopherWriter on the absurd who wrote The Myth of Sisyphus
- Hannah ArendtPhilosopherPolitical thinker who wrote about totalitarianism and the 'banality of evil'
- Maurice Merleau-PontyPhilosopherPhenomenologist who emphasized the lived body
- Michel FoucaultPhilosopherStudied how power and knowledge shape society
- John RawlsPhilosopherWrote A Theory of Justice with the veil of ignorance
- Robert NozickPhilosopherLibertarian philosopher who wrote Anarchy, State, and Utopia
- Peter SingerPhilosopherUtilitarian ethicist known for work on animals and global poverty
- Martha NussbaumPhilosopherPhilosopher of the capabilities approach and emotions
- Alan TuringPhilosopherMathematician who posed the Turing test for machine intelligence
- Gottlob FregePhilosopherFounder of modern logic and philosophy of language
- Kurt GodelPhilosopherLogician whose incompleteness theorems limit formal systems
- John SearlePhilosopherProposed the Chinese room argument
- Daniel DennettPhilosopherPhilosopher of mind who wrote about consciousness and evolution
- Thomas NagelPhilosopherAsked 'What is it like to be a bat?'
- Derek ParfitPhilosopherPhilosopher of personal identity and ethics
- W.E.B. Du BoisPhilosopherScholar who developed the idea of double consciousness
- Frantz FanonPhilosopherThinker on colonialism and identity
- Mahatma GandhiPhilosopherDeveloped nonviolent resistance as a philosophy and strategy
- Martin Luther King Jr.PhilosopherApplied nonviolent philosophy to civil rights
- RumiPhilosopherPersian poet and mystic of the 13th century
- Al-FarabiPhilosopherPhilosopher who blended Greek and Islamic thought
- Al-GhazaliPhilosopherIslamic theologian who critiqued the philosophers
- NagarjunaPhilosopherBuddhist philosopher of emptiness
- ZhuangziPhilosopherDaoist thinker known for stories about perspective and freedom
- MoziPhilosopherChinese philosopher who taught impartial care
- XunziPhilosopherConfucian who held that human nature needs shaping
- Wang YangmingPhilosopherChinese Neo-Confucian who stressed the unity of knowledge and action
- HypatiaPhilosopherAlexandrian philosopher and mathematician
- Aristotle's LyceumPhilosopherSchool Aristotle founded in Athens
- Plato's AcademyPhilosopherSchool Plato founded in Athens
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