Georg Joachim Rheticus, Austrian-Slovak mathematician and cartographer (born 1514)

Georg Joachim Rheticus

Austrian astronomer and mathematician (1514–1576)

Georg Joachim de Porris, also known as Rheticus, was a mathematician, astronomer, cartographer, navigational-instrument maker, medical practitioner, and teacher. He is perhaps best known for his trigonometric tables and as Nicolaus Copernicus's sole pupil. He facilitated the…