Bertrand Arthur William Russell, 3rd Earl Russell, OM, FRS, was a Welsh philosopher, historian, logician, mathematician, advocate for social reform, pacifist, and prominent rationalist. Although he wa…
Plato (Greek: Πλάτων), born Aristocles (c. 427 – 348 BC), was an ancient Greek philosopher of the Classical period who is considered a foundational thinker in Western philosophy and an innovator of t…
Stephen William Hawking was an English theoretical physicist, cosmologist, and author who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge. Between 1979 …
Jean-Paul Charles Aymard Sartre was a French philosopher, playwright, novelist, screenwriter, political activist, biographer, and literary critic, considered a leading figure in 20th-century French ph…
Sun Tzu (traditional Chinese: 孫子; simplified Chinese: 孙子; pinyin: Sūnzǐ) was a Chinese military general, strategist, philosopher, and writer who lived during the Eastern Zhou period (771–256 BC). Sun …
Friedrich Wilhelm Nietzsche was a German classical scholar, philosopher, and critic of culture, who became one of the most influential of all modern thinkers. He began his career as a classical philol…
Aristotle (Greek: Αριστοτέλης; 384–322 BC) was an Ancient Greek philosopher and polymath. His writings cover a broad range of subjects spanning the natural sciences, philosophy, linguistics, economic…
Karen Armstrong is a British author and commentator of Irish Catholic descent known for her books on comparative religion. A former Roman Catholic religious sister, she went from a conservative to a m…
Martin Heidegger (1889-1976) was a German philosopher whose work is perhaps most readily associated with phenomenology and existentialism, although his thinking should be identified as part of such ph…
Genevan philosopher and writer Jean Jacques Rousseau held that society usually corrupts the essentially good individual; his works include The Social Contract and Émile (both 1762).
Dr. Sigismund Freud, M.D. (University of Vienna)—later changed to Sigmund—was a neurologist and the founder of psychoanalysis, who created an entirely new approach to the understanding of the human pe…
Immanuel Kant was an 18th-century philosopher from Königsberg, Prussia (now Kaliningrad, Russia). He's regarded as one of the most influential thinkers of modern Europe & of the late Enlightenment. Hi…
Cory Doctorow is a science fiction author, activist, journalist and blogger — the co-editor of Boing Boing and the author of the YA graphic novel In Real Life, the nonfiction business book Informati…
Dr. Reza Aslan, an internationally acclaimed writer and scholar of religions, is author most recently of Zealot: The Life and Times of Jesus of Nazareth.
The Prince, book of Niccolò Machiavelli, Italian political theorist, in 1513 describes an indifferent ruler to moral considerations with determination to achieve and to maintain power.
Marcus Aurelius Antoninus Augustus (often referred to as "the wise") was Emperor of the Roman Empire from 161 to his death in 180. He was the last of the "Five Good Emperors", and is also considered o…
John Stuart Mill, English philosopher, political economist, civil servant and Member of Parliament, was an influential liberal thinker of the 19th century. He was an exponent of utilitarianism, an eth…
Controversial pantheistic doctrine of Dutch philosopher and theologian Baruch Spinoza or Benedict advocated an intellectual love of God; people best know Ethics, his work of 1677.
Lucius Annaeus Seneca (often known simply as Seneca or Seneca the Younger); ca. 4 BC – 65 AD) was a Roman Stoic philosopher, statesman, and dramatist of the Silver Age of Latin literature. He was tuto…