Regiomontanus
6 June 1436 — 6 July 1476
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.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates 12, 64.