Mathematician:Jost Bürgi

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)

Books and Papers

 * 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.

Also see

 * : Chapter $5$: Eternal Triangles