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
Keith Campbell (philosopher) (Campbell 1991, preface). The separation between the University of Sydney's Departments of Traditional and Modern Philosophy and of General Philosophy is attributed to his organising the proposal in 1973. He was a senior lecturer in the "Traditional and Modern" one but is now an emeritus professor in the recombined Department of Philosophy (part of the School of Philosophical and Historical Inquiry). Campbell is known as a co-editor of "Ontology, Causality, and Mind: Essays in Honour of D.M. Armstrong", and as author of "Body and Mind". Keith Campbell (philosopher) Keith Campbell (born 1938) is an Australian philosopher working in metaphysics. With