Tycho Brahe personalities. When Tycho and Vedel returned from Leipzig in 1565, Denmark was at war with Sweden, and as vice-admiral of the Danish fleet Jørgen Brahe had become a national hero for having participated in the sinking of the Swedish warship "Mars" during the First battle of Öland (1564). Shortly after Tycho's arrival in Denmark, Jørgen Brahe was defeated in the Action of 4 June 1565, and shortly afterwards died of a fever. Stories have it that he contracted pneumonia after a night of drinking with the Danish King Frederick II when the king fell into the water in a Copenhagen
Tycho Brahe the reception of his empirical astronomical work. The first biography of Tycho Brahe, which was also the first full-length biography of any scientist, was written by Pierre Gassendi in 1654. In 1779, Tycho de Hoffmann wrote of Brahe's life in his history of the Brahe family. In 1913, Dreyer published Tycho Brahe's collected works, facilitating further research. Early modern scholarship on Tycho Brahe tended to see the shortcomings of his astronomical model, painting him as a mysticist recalcitrant in accepting the Copernican revolution, and valuing mostly his observations that allowed Kepler to formulate his laws of planetary movement. Especially in