Philosophers
Georg Wilhelm Friedrich Hegel
Georg Wilhelm Friedrich Hegel was a German philosopher whose absolute idealism represents the most comprehensive philosophical system since Aristotle. His dialectical method — the self-development …
Friedrich Schelling
Friedrich Wilhelm Joseph Schelling was a German philosopher whose extraordinary intellectual range — spanning nature-philosophy, transcendental idealism, philosophy of art, mythology, and religion — made …
Arthur Schopenhauer
Arthur Schopenhauer was a German philosopher whose pessimistic metaphysics, grounding all of reality in a blind, purposeless Will, offered a radical alternative to the optimistic …
Auguste Comte
Auguste Comte was a French philosopher who founded positivism — the doctrine that genuine knowledge is limited to what can be established by the methods …
Ralph Waldo Emerson
Ralph Waldo Emerson was an American essayist, lecturer, philosopher, and poet who led the Transcendentalist movement and became the most influential American intellectual of the …
Ludwig Feuerbach
Ludwig Feuerbach was a German philosopher whose critique of religion as the projection of human nature onto an imaginary transcendent being was one of the …
John Stuart Mill
John Stuart Mill was a British philosopher, political economist, and Member of Parliament who was the most influential liberal thinker of the nineteenth century. His …
Søren Kierkegaard
Søren Kierkegaard was a Danish philosopher, theologian, and literary figure who is widely regarded as the founder of existentialism. Writing under a kaleidoscope of pseudonyms, …
Henry David Thoreau
Henry David Thoreau was an American essayist, philosopher, naturalist, and political thinker whose experiment in simple living at Walden Pond and whose essay on civil …
Karl Marx
Karl Marx was a German philosopher, economist, historian, and revolutionary whose analysis of capitalism, theory of historical materialism, and vision of communist society made him …
Friedrich Engels
Friedrich Engels was a German philosopher, social scientist, journalist, and industrialist who, as Karl Marx's closest collaborator, co-founded Marxist theory and helped shape the intellectual …
Charles Sanders Peirce
Charles Sanders Peirce was an American philosopher, logician, mathematician, and scientist who is regarded as the founder of pragmatism and modern semiotics (the theory of …
William James
William James was an American philosopher and psychologist who founded the philosophical school of pragmatism (alongside C.S. Peirce), pioneered the discipline of psychology in America, …
Friedrich Nietzsche
Friedrich Nietzsche was a German philosopher, cultural critic, and poet whose radical reassessment of morality, truth, and the meaning of existence made him one of …
Gottlob Frege
Gottlob Frege was a German mathematician, logician, and philosopher who is widely regarded as the founder of modern mathematical logic and one of the founders …
Josiah Royce
Josiah Royce was the foremost American absolute idealist, whose system of metaphysics grounded the reality of the self, community, and God in the structure of …
Sigmund Freud
Sigmund Freud was an Austrian neurologist and the founder of psychoanalysis — a clinical method for treating psychopathology and a broader theory of the human …
Émile Durkheim
Émile Durkheim was a French sociologist and philosopher who established sociology as a rigorous academic discipline and developed foundational concepts — social facts, collective consciousness, …
Georg Simmel
Georg Simmel was a German philosopher and sociologist whose 'formal sociology' analyzed the enduring forms of social interaction — competition, conflict, exchange, subordination — independently …
Edmund Husserl
Edmund Husserl was a German philosopher who founded phenomenology — the philosophical method of investigating the structures of consciousness as they present themselves in direct …
Henri Bergson
Henri Bergson was a French philosopher whose theories of duration, intuition, and creative evolution challenged the mechanistic and deterministic worldview of 19th-century science. His argument …
John Dewey
John Dewey was an American philosopher, psychologist, and educational reformer who was the leading figure of pragmatism in the 20th century. His instrumentalism — the …
Alfred North Whitehead
Alfred North Whitehead was a British mathematician and philosopher who co-authored Principia Mathematica with Bertrand Russell and then developed process philosophy — a metaphysical system …
Rabindranath Tagore
Rabindranath Tagore (1861–1941) was an Indian poet, philosopher, composer, and dramatist who became the first non-European to win the Nobel Prize in Literature in 1913, …