Pierre Vernier
Pierre Vernier
25.05.1931 (92 years) (Saint-Jean-d'Angély, Charente-Maritime, France)
Pierre Vernier (19 August 1580 at Ornans, Franche-Comté, Spanish Habsburgs (now France) – 14 September 1637, same location) was a French mathematician and instrument inventor. He was inventor and eponym of the vernier scale used in measuring devices.