Letters on the English author of "Novum Organum" and father of experimental philosophy. Letter 13 is about John Locke and his theories on the immortality of the soul. Letter 14 compares British philosopher Isaac Newton to French philosopher René Descartes. Upon his death in 1727, Newton was compared to Descartes in a eulogy performed by French philosopher Fontenelle. While the British did not appreciate this comparison, Voltaire argues that Descartes, too, was a great philosopher and mathematician. Letter 15 focuses on Newton's law of universal gravitation. Letter 16 talks about Newton's work with optics. Letter 17 discusses Newton's work with geometry and his theories
John Lewis (philosopher) John Lewis (philosopher) John Lewis (1 February 1889 – 12 February 1976) was a British Unitarian minister and Marxist philosopher and author of many works on philosophy, anthropology, and religion. Lewis's father, a successful builder and architect, came from a Welsh farming family, and was a very devout Methodist. Young Lewis's social and political views clashed with those of his father. Their quarrels eventually led to his father disinheriting him. Lewis attended Dulwich College and University College London, where he earned his B.Sc. Having been raised a Methodist, he soon left that church to become a Congregationalist. He studied for