Regiomontanus

Johannes Müller von Königsberg, better known as Regiomontanus, was a mathematician, astrologer and astronomer of the German Renaissance, active in Vienna, Buda and Nuremberg. His contributions were instrumental in the development of Copernican heliocentrism in the decades following his death.

6 June 1436

Born on the same birth day (6 June): Alexandra Feodorovna (Alix of Hesse) • Angelo Moriondo • Claude-Jean Allouez • Diego Velázquez • Henry Newbolt • Joel Rinne • Jon Henricks • Klaus Tennstedt • Louis Andriessen • Maxine Kumin • Nathan Hale • Paul Giamatti • Richard Smalley • Robert Englund • Tony Yeboah