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
Karl Joel (philosopher) Karl Joel (philosopher) Karl Joel (27 March 1864 – 23 July 1934) was a German philosopher and professor. Joel was born in Hirschberg, Silesia, and died in Walenstadt, Switzerland. His father was a rabbi who studied under Schelling. Joel was a professor at the University of Basel from 1902. His father R. Herman Joel, had been a pupil of Schelling and apparently had a great influence on his son's attitude toward philosophy. He was born in Hirschberg, studied in Leipzig, and spent some time in Berlin (1887–92), where he became a friend of Georg *Simmel. In 1897 he was appointed