John Snow and the Broad Street Pump
The story of John Snow in 1854 reminds us that good reasoning corrects weak patterns by letting confidence follow evidence, not fear or public assumption.
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Post Medieval
Galileo: Observation Corrects the Map
In 1610, Galileo set incorrect maps of the cosmos on the right path. Our mental model of Earth at the center of the universe had to evolve to match observations.
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Max Planck
Planck discovered limits by following the math honestly—even when it contradicted intuition.
Alfred Russel Wallace (1823-1913)
Alfred Russel Wallace lived from January 8, 1823, to November 7, 1913. He is best known for independently proposing the theory of evolution by natural selection, prompting Charles Darwin to publish his own findings. Wallace’s work as a biologist, anthropologist, and geographer took him to the Amazon and the Malay Archipelago, where he identified the
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Charles Darwin (1809-1882)
Charles Darwin, born on February 12, 1809, and passing on April 19, 1882, was an English naturalist whose groundbreaking work laid the foundation for the theory of evolution. His voyage on the HMS Beagle and the subsequent observations he made led him to formulate his theory of natural selection, published in his seminal work “On
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The Problem of Induction
30 Phil, Chapter 27, Hume, Touchstone 70: The Problem of Induction. The logic behind induction is inherently circular, hence, the problem of induction. We expect future events to be like past events because this has generally been true in the past. This justification itself is inductive, making the whole process circular and self-referential. Although induction
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Skeptical Empiricism
30 Phil, Chapter 27, Hume, Touchstone 69: Skeptical Empiricism. Skeptical Empiricism challenges the idea of innate knowledge, asserting all we know stems from our experiences.
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Fourth Estate
You need a fully free press because public truth needs watchdogs, not just officials and institutions.
Liberalism
30 Phil, Chapter 23, Roger Williams, Touchstone 58: Liberalism. Liberalism emphasizes personal freedom for all, individual rights, equality before the law, and limited government intervention. A suitable guiding statement is: “Social progress through individual autonomy, political freedom, civil liberties, and equality for all.” Emerging from the intellectual ferment of the Enlightenment, liberalism offered a radical departure
Separation of Church and State
30 Phil, Chapter 23, Roger Williams, Touchstone 57: Separation of Church and State. More than a historical or religious treatise, the Bloody Tenet by Roger Williams is a seminal work. It launched a full-throttle assault on the prevailing norms of religious and political intolerance that plagued both Old and New England. In it, he passionately
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First Analog Radio Transmission
In 1906, Reginald Fessenden achieved the first analog transmission of sound over radio waves on Christmas Eve. An analog transmission is like a flowing river that continuously changes its speed and depth to carry things along its path. In analog communication, sounds or images are directly transformed into continuous signals that mimic the original. For
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Electromagnetic Radiation Theory
James Clerk Maxwell predicted electromagnetic waves, but he did not perform experiments to prove their existence. His prediction was based on his work on the classical theory of electromagnetic radiation, which unified electricity, magnetism, and light as different manifestations of the same phenomenon. Maxwell’s equations for electromagnetism predicted the existence of waves of oscillating electric
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Jean-Paul Sartre
5 Generations Ago 30 Phil, Chapter 31: Sartre and Existentialism Jean-Paul Sartre arrived in the Material World on June 21, 1905. Born in Paris to a modest family. Sartre, the chain-smoking existentialist who frequented Parisian cafes, is most remembered as an activist writer and for his idea of “bad faith.”
Friedrich Nietzsche
Kierkegaard taught us to take guidance from our angst, which drives leaps of faith. Nietzsche wants you to first challenge inherited norms so you can create your own values through authentic self-becoming.
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John Stuart Mill
9 Generations Ago 30 Phil, Chapter 29: Mill and Utilitarianism John Stuart Mill was born on May 20, 1806, in London, to James Mill, a Scottish-born philosopher and economist, and Harriet Barrow. His Greatest Happiness Principle lies at the core of utilitarianism, advocating for actions that maximize utility, generally understood as producing the greatest well-being
John Locke
John Locke grounded human knowledge and human rights in experience rather than authority or tradition.
Roger Williams
17 Generations Ago 30 Phil, Chapter 23: Roger Williams and Liberalism Roger Williams was born in England around 1602, in Smithfield, situated at the heart of London. Williams officially founded Providence Plantations in 1636 with an informal agreement with the local Native American leaders. It became the fifth American colony and the second in the
Rene Descartes
17 Generations Ago 30 Phil, Chapter 22: Descartes and Cartesian Dualism René Descartes was born into minor nobility in the Kingdom of France on March 31, 1596. In 1637, Descartes published “Discourse on the Method,” he sought to identify certain knowledge by using doubt to strip away uncertain beliefs. Cartesian Skepticism is a system of
Galileo Galilei
Galileo, the Father of Modern Physics, showed that careful observation and math could overturn ancient certainty.
Francis Bacon
18 Generations Ago 30 Phil, Chapter 20: Francis Bacon and the Scientific Method Francis Bacon was born on January 22, 1561, in London to a prominent and influential family. The young Francis Bacon received a comprehensive education, attending the prestigious Trinity College, Cambridge, at the age of 12. Bacon is the Father of the Scientific