Thinkers who shaped our world
Great Minds
Architects of thought · Masters of the inner world
Explore the lives, works, and ideas of philosophers, writers, scientists, and political thinkers who shaped human civilization.
Larry Diamond
Larry Diamond is a leading scholar of global democratization, uniquely associated with the concept of "democratic consolidation"—the process by which new democr…
Lawrence Kohlberg
Lawrence Kohlberg (1927–1987) was an American psychologist renowned for his influential theory of moral development, which expanded upon Jean Piaget's earlier w…
Leda Cosmides
Leda Cosmides (born 1957) is an American psychologist and a pioneering founder of evolutionary psychology[reference:0][reference:1]. She is a Distinguished Prof…
Leon Festinger
Leon Festinger (1919–1989) was an American social psychologist whose pioneering theories fundamentally reshaped the field. He is best known for developing the t…
Leon Trotsky
Leon Trotsky was a Russian revolutionary and Marxist theorist who uniquely developed the theory of 'permanent revolution,' arguing that in backward countries th…
Leo Strauss
Leo Strauss (1899–1973) recovered the art of esoteric writing as the key to understanding classical political philosophy, arguing that the great thinkers—from P…
Lev Vygotsky
Lev Semyonovich Vygotsky (1896–1934) was a pioneering Soviet psychologist whose sociocultural theory profoundly shaped developmental psychology and education. H…
Lewis Terman
Lewis Terman was an American psychologist and a towering figure in psychometrics, best known for revising the Binet-Simon scale into the Stanford-Binet Intellig…
L.L. Thurstone
Louis Leon Thurstone was an American psychologist and a seminal figure in psychometrics, renowned for his contributions to factor analysis and intelligence theo…
Louis Blanc
Louis Blanc was a French socialist politician and historian who uniquely argued that the state should play a central role in guaranteeing the 'right to work' by…
Lucius Annaeus Seneca
Seneca was a Roman Stoic philosopher, statesman, and playwright who is one of the most influential figures in the history of philosophy. He served as an advisor…
Ludwig von Mises
Ludwig von Mises is the economist who demonstrated that a socialist economy cannot rationally allocate resources because it lacks market-generated prices for ca…
Ludwig Wittgenstein
Ludwig Wittgenstein was an Austrian-British philosopher whose work fundamentally reshaped 20th-century philosophy of language and mind. His early masterpiece, t…
Luther Halsey Gulick III
Luther Gulick is the public administration theorist who gave the world POSDCORB—the enduring acronym for the seven functions of a chief executive: Planning, Org…
Mahavira
Mahavira, also known as Vardhamana, was an ancient Indian philosopher and spiritual teacher who is regarded as the 24th and last Tirthankara (ford-maker) of Jai…