Mathematician:Johannes Scheubel

German mathematician noted for his work in popularising the use of algebra throughout Europe.

Also published an edition of the first six books of Euclid's.

Nationality
German

History

 * Born: 18 August 1494 in Kirchheim unter Teck, Württemberg
 * Died: 20 February 1570 in Tübingen

Books and Papers

 * 1545: De Nvmeris et Diversis Rationibvs seu Regulis computationum Opusculum, a Ioanne Scheubelio compositum, in later editions of which the symbols $+$ and $-$ were introduced
 * 1555: a new edition of Euclid's
 * 1559: The earliest known map of Württemberg