https://youtu.be/j_LNzjrOIoY Most widely known as a mathematician and the creator of Pythagorean geometry, the originator of the Pythagorean theorem, Pythagorean tuning, identification of the five regular solids, the Theory of…
https://youtu.be/YczAnmL3b9I Born about 360 BC in Elis, on the Peloponnese, Pyrrho was the founder of the Greek philosophical school of skepticism known to moderns as Pyrrhonism. This school holds that…
https://youtu.be/wgUp8FrO25E Born in Chicago, on July 31, 1926, to a father who taught Romance languages and wrote for the Daily Worker, Putnam grew up there, in France, and in Philadelphia.…
https://youtu.be/XyL9NiXBeb8 Pierre-Joseph Proudhon was born on January 15, 1809 in Besançon, France. He gained enduring fame as the “father” of anarchism and was, in fact, the first person to use…
https://youtu.be/ad8nhWCQOg0 The subject of an eponymous Platonic dialogue, Protagoras was a Sophist whom Plato credits as the originator of the role of the professional sophist (one who reasons with complexly…
https://youtu.be/Jia3zIXakt8 Prodicus of Ceos was born about 465 BC in Ioulis on the island of Ceos and was one of the first generation of Sophists. He was noted for teaching…
https://youtu.be/P-j5c1H12Zo Born in Vienna on July 28, 1902, Karl Raimund Popper was one of the great philosophers —and among the most important philosophers of science—of the twentieth century. He was…
https://youtu.be/e_q-foeTq4Q Henri Poincaré has been called the “last polymath.” Although he is most celebrated for his fundamental contributions to mathematics, he was also a theoretical physicist and a philosopher, with…
https://youtu.be/NDq96k_dibc The founder of Neoplatonism, Plotinus developed a metaphysics consisting of three elements: the One, the Intelligence, and the Soul. From these “emanate” all existence, such that intellectual contemplation produces…
https://youtu.be/qbfGstf9tsQ With his teacher, Socrates, and his student, Aristotle, Plato is one of the triumvirate of Greek philosophers who are credited not only as seminal in creating the discipline of…