Karl Marx, the philosopher, economist, political theorist and socialist revolutionary, is best-known for the 1848 pamphlet, The Communist Manifesto and the three-volume Das Kapital. His theories, called Marxism, maintained that class conflict leads to the development of human societies and that internal tension were inherent in capitalism, which would ultimately be replaced by the socialist mode of production.
Vladimir Lenin played a key role in the history of Russian politics by developing a political ideology called Leninism. During and after his lifetime, Lenin had a massive influence over international communist movement. He is widely regarded as one of the most influential and significant personalities of the 20th century.
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.
Sarvepalli Radhakrishnan was the second President of India and served from 1962 to 1967. He is regarded as one of India’s most eminent scholars and wrote extensively on Indian philosophy and religion. Lifelong he defended Hindu traditions and culture against criticism from the West. September 5, his birthday, is observed as Teachers Day in India, in his honour.
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.
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.
An Italian astronomer, engineer, and physicist, Galileo Galilei is widely regarded as the father of observational astronomy, the father of the scientific method, the father of modern physics, and the father of modern science. He is credited with popularizing the telescope, which changed the course of history.
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.
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 James Randi
12 Leon Trotsky
A Russian politician, political theorist, and revolutionary, Leon Trotsky developed a political ideology called Trotskyism, which eventually had a considerable impact on Russian politics. He also played a vital role in leading the Red Army to victory in the Russian Civil War.
13 Leo Tolstoy
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.
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.
Pope John Paul II was the head of the Catholic Church from 1978 until his death in 2005. He is hailed for helping to end Communist rule in his native Poland and improving the Catholic Church's relations with Islam, Judaism, and the Eastern Orthodox Church. He was a lifelong football fan, having himself played the sport in his youth.
William Wallace was a Scottish knight who played an important role in the First War of Scottish Independence. Since his death, Wallace has been viewed as an iconic figure whose story of bravery and valor has inspired several works of art, including the Academy Award-winning film Braveheart. Wallace has also inspired video games and brewery companies, such is his popularity.
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.
19 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.
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.
21 John Locke
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.
24 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.
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.