Philip Kotler
4 min readAug 18, 2024

August 18, 2024

The Greatest Minds of the 19th Century

Philip Kotler

I began to realize that our contemporary minds have been largely shaped by the great thinkers of the 19th Century. I immediately thought of the deep influence of four persons: Charles Darwin, Sigmund Freud, Karl Marx, and Friedrich Nietzsche. Each of them had a worldwide impact on the minds and followers that continues to this day.

I wondered whether I left out any major figures. Yes, I apparently did. I put the question to ChatGPT and it added nine other major thinkers, numbering 13 in all. The sign of an educated person is to know something about all 13 persons. I know this might be controversial. The reader may want to drop a few names and add other names. Let me know what you think?

I turned to ChatGPT to inquire into the major persons in the 19th Century who contributed greatly to shaping current minds and ways of thinking. Here was my prompt:

I would like to list the persons who contributed the most to shaping the 19th century mindset. Each had a worldwide impact and following that continues to this day. For each, write their birth and death dates and the ideas and fields of their major contribution.

ChatGPT answered:

Here are 13 most influential figures who significantly shaped the 19th-century mindset, along with their birth and death dates, ideas, and major contributions:

1. Karl Marx (1818–1883)

  • Major Contribution: Economics, Political Philosophy
  • Key Ideas: Marxism, class struggle, historical materialism, and critique of capitalism. His works, especially “The Communist Manifesto” and “Das Kapital,” laid the foundation for socialism and communism.

2. Charles Darwin (1809–1882)

  • Major Contribution: Biology, Natural Sciences
  • Key Ideas: Theory of evolution by natural selection. His book “On the Origin of Species” revolutionized the understanding of biological development and had profound implications for religion, philosophy, and social science.

3. Sigmund Freud (1856–1939)

  • Major Contribution: Psychology, Psychoanalysis
  • Key Ideas: Founder of psychoanalysis, his theories on the unconscious mind, repression, and the significance of dreams and childhood experiences have deeply influenced psychology, literature, and culture.

4. Friedrich Nietzsche (1844–1900)

  • Major Contribution: Philosophy
  • Key Ideas: Critique of traditional moral values, the concept of the “Übermensch” (Superman), “will to power,” and the proclamation “God is dead.” Nietzsche’s work challenged conventional beliefs and has had a lasting impact on existentialism, postmodernism, and contemporary philosophy.

5. Georg Wilhelm Friedrich Hegel (1770–1831)

  • Major Contribution: Philosophy
  • Key Ideas: Developed the dialectical method and idealist philosophy, influencing many areas, including political theory, history, and theology. His ideas laid the groundwork for later existentialism and Marxist theory.

6. Thomas Edison (1847–1931)

  • Major Contribution: Technology, Innovation
  • Key Ideas: Pioneer in electrical power generation, mass communication, sound recording, and motion pictures. His inventions, including the phonograph, the incandescent light bulb, and the early motion picture camera, had a transformative effect on modern life.

7. Michael Faraday (1791–1867)

  • Major Contribution: Physics, Chemistry
  • Key Ideas: Electromagnetism and electrochemistry. His discoveries in electromagnetic induction, diamagnetism, and electrolysis laid the foundation for electrical engineering and technology.

8. Charles Dickens (1812–1870)

  • Major Contribution: Literature
  • Key Ideas: Social critique through literature. His novels, such as “A Christmas Carol,” “Oliver Twist,” and “Great Expectations,” exposed the harsh realities of industrial society and the plight of the poor, influencing social reform and literature.

9. Auguste Comte (1798–1857)

  • Major Contribution: Sociology, Philosophy
  • Key Ideas: Founder of positivism and sociology. He emphasized empirical evidence and scientific methods in understanding social phenomena, shaping the development of modern social sciences.

10. John Stuart Mill (1806–1873)

  • Major Contribution: Philosophy, Political Economy
  • Key Ideas: Utilitarianism, liberalism, and the defense of individual liberty. His works, including “On Liberty” and “Utilitarianism,” deeply influenced modern political and ethical theory.

11. Leo Tolstoy (1828–1910)

  • Major Contribution: Literature, Philosophy
  • Key Ideas: Tolstoy is renowned for his epic novels “War and Peace” and “Anna Karenina,” which explore human nature and moral dilemmas. His later works focused on Christian anarchism and pacifism, profoundly influencing the nonviolent resistance movements of the 20th century.

12. Fyodor Dostoevsky (1821–1881)

  • Major Contribution: Literature, Philosophy
  • Key Ideas: Dostoevsky’s novels, such as “Crime and Punishment,” “The Brothers Karamazov,” and “Notes from Underground,” delved into psychological, existential, and spiritual themes. His exploration of the human psyche and morality has had a lasting impact on literature and philosophy.

13. Ralph Waldo Emerson (1803–1882)

  • Major Contribution: Philosophy, Literature
  • Key Ideas: Emerson was a leading figure in the Transcendentalist movement, promoting individualism, self-reliance, and a deep connection to nature. His essays and lectures, including “Self-Reliance” and “The American Scholar,” have been influential in American thought and literature.

These figures made significant contributions to literature, philosophy, and social thought, shaping both their contemporary world and future generations.

Philip Kotler

Philip Kotler is the S.C. Johnson and Son Distinguished Professor of International Marketing, Kellogg School of Management, Northwestern University (emeritus)