Jørgen Thygesen Brahe of Rügen in June 1565. He died that same year from a disease he had contracted by rescuing King Frederick II of Denmark when his horse was thrown into the water at Højbro, the bridge leading over to Slotsholmen. Jørgen Thygesen Brahe Jørgen Thygesen Brahe ("Jørgen Brahe til Tostrup i Skåne") (1515 – June 21, 1565) was a member of the Danish nobility. He was the son of Thyge Axelsen Brahe til Tostrup, Danish Councillor. He was also the uncle of the astronomer Tycho Brahe whom he raised after adopting him when Tycho was two and gave an education. He
Tycho Brahe "Rudolphine Tables". Also at the court in Prague was the mathematician Nicolaus Reimers (Ursus), with whom Tycho had previously corresponded, and who, like Tycho, had developed a geo-heliocentric planetary model, which Tycho considered to have been plagiarized from his own. Kepler had previously spoken highly of Ursus, but now found himself in the problematic position of being employed by Tycho and having to defend his employer against Ursus' accusations, even though he disagreed with both of their planetary models. In 1600, he finished the tract "Apologia pro Tychone contra Ursum" (defense of Tycho against Ursus). Kepler had great respect for