Famous Greek philosopher and scientist, Aristotle, made significant contributions to various fields of science and arts of his era–logic, biology, politics, economics, ethics and aesthetics. Along with Socrates and Plato, he laid much of the foundation of Western philosophy. Student of Plato and teacher of Alexander the Great, he founded Lyceum, the school of philosophy, and the Aristotelian tradition.
German philosopher, cultural critic, composer, and poet Friedrich Nietzsche has had a profound influence on modern intellectual history. He held the Chair of Classical Philology at the University of Basel. His work spanned philosophical polemics, poetry, cultural criticism, and fiction. He suffered from numerous health problems from a young age and died at the age of 55.
Regarded as the father of psychoanalysis, Sigmund Freud was a neurologist. Despite suffering criticism, psychoanalysis remains influential in the fields of psychology and psychiatry; such is the influence Freud has on humanities. Scholars believe that Freud is one of the most influential personalities of the 20th century and that his impact is comparable to that of Marxism and Darwinism.
Plato was one of the most important Ancient Greek philosophers, who contributed greatly to the fields of mathematics, metaphysics, politics, art, and poetry. Along with his famous student Aristotle and equally famous teacher Socrates, Plato is considered one of the founders of spirituality and Western religion. Platonism remains one of his important contributions.
Regarded by many as the father of modern linguistics, Noam Chomsky has authored over 100 books on varied topics, such as politics, linguistics, and war. A multi-talented personality, Noam Chomsky is considered a popular figure in analytic philosophy. Apart from influencing a wide array of academic fields, he has also contributed to the development of cognitivism.
A famous Greek philosopher, Socrates is credited with founding Western philosophy along with other popular philosophers of his time. An enigmatic figure, most of his work is documented by his famous student Plato. Socrates is widely regarded as one of the most influential philosophers of all time as he had a strong influence on the philosophers of the modern era.
Immanuel Kant was a German philosopher whose works in fields like aesthetics and metaphysics have made him an important and influential personality in Western philosophy. His views continue to influence contemporary philosophy. Kant has had a major influence on prominent philosophers like Hegel, Schelling, Reinhold, and Fichte. Kant's work on mathematics is cited by Albert Einstein as an early influence.
Confucius was a Chinese philosopher whose philosophy came to be known as Confucianism. Confucianism is often credited with shaping Chinese communities and East Asian societies. Confucius is considered one of the most influential individuals in the history of mankind as his teachings have had a great impact on people around the world. His philosophy continues to remain influential.
Russian writer, Leo Tolstoy, is widely considered as one of the greatest authors ever. After experiencing a profound moral crisis in the 1870s, Tolstoy went through a phase of spiritual awakening, which had a great impact on his subsequent works that incorporated ideas on nonviolent resistance. These works influenced personalities like Mahatma Gandhi, thereby effectively changing the course of history.
10 Carl Jung
Widely regarded as the father of analytical psychology, Carl Jung is one of the most important contributors to symbolization and dream analysis. The concepts of socionics and a popular psychometric instrument called Myers-Briggs Type Indicator (MBTI) were developed from Jung's theory. Apart from working as a psychiatrist and psychoanalyst, Carl Jung was also an artist, craftsman, builder, and prolific writer.
11 C. S. Lewis
C. S. Lewis was a British writer whose books have sold millions of copies worldwide after having been translated into over 30 languages. His works, such as The Chronicles of Narnia, have inspired the works of other famous authors. Lewis' work continues to attract readership and he was ranked 11th on The Times' 50 greatest British writers since 1945 list.
12 John Locke
The recipient of Padma Vibhushan, the second-highest civilian award of India, Jaggi Vasudev is a mystic, yogi, and author. His spiritual program called inner engineering is famous all over the world, particularly in the Western world. Popularly known as Sadhguru, Jaggi Vasudev's yoga programs, environmental initiatives, and educational and social initiatives have earned him celebrity status in India.
14 Jane Goodall
Jane Goodall is an English anthropologist and primatologist. Goodall's research proved that chimpanzees could use tools like stalks of grass to fish out termites from termite holes; this also challenged the long-held belief that chimpanzees were vegetarians. Goodall also discovered that chimpanzees are capable of emotions like sorrow and joy. Goodall is also credited with founding the Jane Goodall Institute.
16 Albert Camus
Albert Camus was a French philosopher and the second-youngest recipient of the Nobel Prize in Literature. His philosophical views contributed to the rise of absurdism, a philosophical concept. Also a prolific writer, Albert Camus had an illustrious literary career; most of his philosophical essays and novels are still influential.
Bertrand Russell was a British polymath and Nobel laureate. His work, which is spread across various fields, has had a considerable influence on philosophy, cognitive science, artificial intelligence, mathematics, linguistics, and logic. Russell is also credited with leading the revolt against idealism in Britain and is regarded as one of the founders of analytic philosophy.
Pythagoras was an Ionian Greek philosopher. He is credited with many scientific and mathematical discoveries, including the Sphericity of the Earth, the Theory of Proportions, the five regular solids, Pythagorean tuning, and the Pythagorean Theorem. Pythagoras influenced other philosophers like Plato and Aristotle. His philosophy also had a major impact on personalities like Isaac Newton, Johannes Kepler, and Nicolaus Copernicus.
Saint Augustine was a philosopher, theologian, and the bishop of Hippo Regius in Roman North Africa. His writings are often credited with influencing the growth of Western Christianity and Western philosophy. He is also regarded as one of the Latin Church's most important Church Fathers in the Patristic Period. Among his many important works are Confessions and On Christian Doctrine.
W. E. B. Du Bois was an American civil rights activist, sociologist, and Pan-Africanist. Du Bois played an instrumental role in fighting for full civil rights for people of color around the world. A co-founder of the National Association for the Advancement of Colored People, Du Bois also played an important role as the leader of the Niagara Movement.
23 Adam Smith
Widely considered The Father of Economics, Adam Smith was a Scottish philosopher and economist. A pioneer of political economy, Adam Smith played a major role during the Scottish Enlightenment. His book The Wealth of Nations is regarded as the first modern work of economics and a forerunner of today's academic discipline of economics.
24 Alan Watts
Alan Watts was a British writer, philosopher, and speaker. He is credited with popularizing Hinduism, Taoism, and Buddhism in the Western world. A prolific writer, Alan Watts wrote one of Buddhism's first bestselling books, The Way of Zen. He also explored psychedelics and human consciousness in his works, such as The Joyous Cosmology and The New Alchemy.
If others thought the body was the prison of the soul, Paul-Michel Foucault felt the other way round. The French philosopher, literary critic and Leftist who interpreted the link between power and knowledge, was a post-structuralist whose theories have left a mark on anthropology, psychology and criminology. The feminist was one of the noted personalities to have died of HIV/AIDS.
Henry David Thoreau was an American philosopher, essayist, poet, and naturalist. He is credited with popularizing transcendentalism and simple living. His philosophy of civil disobedience, which was detailed in his essay of the same name, later influenced world-renowned personalities like Leo Tolstoy, Martin Luther King Jr., and Mahatma Gandhi.
One of the few personalities known for his disdain of self-promotion, Thomas Sowell is an important American social theorist and economist. Over the years, he has played a prominent role working as a faculty member of many prestigious universities, such as the University of California, Los Angeles (UCLA) and Cornell University.
29 Slavoj Žižek
Slavoj Žižek is a Slovenian philosopher whose works in subjects, such as continental philosophy, Marxism, Hegelianism, and psychoanalysis, has gained him international influence. Often dubbed a celebrity philosopher and Elvis of cultural theory, Žižek was named in Foreign Policy's Top 100 Global Thinkers list in 2012. His work has had an impact on widespread public audiences and academic.
Jean-Jacques Rousseau was a Genevan philosopher, composer, and writer. His political philosophy influenced aspects of the French Revolution. He also helped develop modern economic, political, and educational thought. His writing inspired a transformation in French drama and poetry. His works also influenced such writers around the world as Tolstoy. His works as a composer were acknowledged by composers like Mozart.
Canadian clinical psychologist, Jordan Peterson, became internationally known in the 2010s for his views on cultural and political issues. He became active on YouTube in 2016 and shared many videos that have since received millions of views. He has faced criticism for his sexist and misogynistic views. Despite the controversies, he continues to be popular and is a bestselling author.
Herodotus was a Greek historian credited with writing a book titled The Histories, a detailed record on the genesis of the Greco-Persian Wars. Dubbed the Father of History, Herodotus is widely believed to have been the first person to write about historical events based on information gathered about the events through a method of systematic investigation.
Arthur Schopenhauer was a German philosopher. He was among the first Western philosophers to affirm important tenets of Indian philosophy, such as denial of the self and asceticism. Schopenhauer's work has had a tremendous posthumous impact on disciplines like science, literature, and philosophy. His work influenced personalities like Albert Einstein, Ludwig Wittgenstein, Sigmund Freud, George Bernard Shaw, and Leo Tolstoy.
35 Max Weber
Max Weber was a German historian, political economist, jurist, and sociologist. Widely regarded as one of the most influential and important theorists, Weber's ideas had a profound influence on social research and social theory. Although he did not see himself as a sociologist, Weber is often counted among the fathers of sociology alongside Émile Durkheim, Auguste Comte, and Karl Marx.
Francis Bacon was a Renaissance philosopher and author who was known as the Father of Empiricism, because of his belief in the scientific method and theory that scientific knowledge can only be created through inductive reasoning and experience. He was later knighted and served as the first Queen's counsel.
Jean-Paul Sartre was a French philosopher, writer, literary critic, and political activist. One of the most important personalities in the philosophy of phenomenology and existentialism, Sartre played a crucial role in 20th-century French philosophy. His work continues to influence literary studies, post-colonial theory, sociology, and critical theory. He was honored with the 1964 Nobel Prize in Literature.
39 Jean Piaget
B. F. Skinner was an American behaviorist, psychologist, inventor, author, and social philosopher. Skinner, who taught psychology at Harvard University, is credited with founding a school of thought in psychology called the experimental analysis of behavior. Regarded as a pioneer of modern behaviorism, Skinner was named the 20th century's most influential psychologist, according to a survey conducted in June 2002.
Søren Kierkegaard was a Danish philosopher, religious author, poet, theologian, and social critic. He is widely regarded as the first existentialist philosopher. Many 20th-century philosophers drew concepts from Kierkegaard. Those influenced by Kierkegaard include Paul Feyerabend, Ludwig Wittgenstein, Jacques Ellul, and Jorge Luis Borges. Kierkegaard also had a major influence on psychology and is considered the founder of Christian psychology.
Mary Wollstonecraft was an English writer, advocate of women's rights, and philosopher. Wollstonecraft, who attracted a lot of attention for her unconventional personal relationships, is widely considered a founding feminist philosopher. Although her unorthodoxy initially attracted criticisms, her advocacy of women's equality became increasingly important during the 20th century. Modern-day feminists cite her works and her life as important influences.