James Hume (mathematician) James Hume (mathematician) James Hume (fl. 1639) was a Scottish mathematician. He is given credit for introducing the modern exponential notation, along with René Descartes. The son of David Hume of Godscroft, sometimes therefore called described as "Scotus Theagrius", James Hume lived in France. Theagrius was a pen-name used by his father, and has been thought a macaronic form of "Godscroft". Hume published a Hebrew grammar in Hamburg, in 1624. On the title-page of his "Pantaleonis Vaticinia Satyra", dated Rouen, 1633, Hume is called "Med. Doctor". The "Satyra" is a Latin romance, imitating John Barclay's "Argenis". It is an "elegant
David Charles (philosopher) David Charles (philosopher) David Owain Maurice Charles is a Professor of Philosophy and Classics at Yale University. He has previously been Colin Prestige Fellow, and Professor of Philosophy at Oriel College, Oxford, and CUF Lecturer in Philosophy, Faculty of Philosophy, Oxford University, and has been a Visiting Professor at the University of California at Los Angeles and at Rutgers University, New Jersey. Charles holds a doctorate (D.Phil.) in philosophy from Oxford University. His research interests lie in issues concerning meaning, definition and practical skill and interconnections between philosophy and psychiatry. He has published on Greek philosophy and on contemporary philosophy