Mathematician:Jost Bürgi

Mathematician
Swiss clockmaker, maker of astronomical instruments and mathematician most famous for publishing a book on logarithms in 1620.

Believed to have invented his own version of logarithms as early as $1588$, but as he failed to publish, received the credit for the invention.

Nationality
Swiss

History

 * Born: 28 February 1552 in Lichtensteig, Toggenburg (now in St. Gallen), Switzerland
 * Died: 31 January 1632 in Kassel, Hesse-Kassel, Holy Roman Empire (now Germany)

Publications

 * Canon Sinuum, a supposedly highly accurate table of sines, since lost
 * 1620: Arithmetische und Geometrische Progress Tabulen

Also known as
Also known as Joost or Jobst, and by the Latinized surname Burgius or Byrgius.