Who was the physician of Tycho Brahe a Danish nobleman known for his accurate and comprehensive astronomical and planetary observations?
John Craig (physician) John Craig M.D. (died 1620) was a Scottish physician, known also as an astronomer. He was physician to James VI of Scotland, and accompanied him to England. He also corresponded with Tycho Brahe, and associated with John Napier.
Achilles Gasser Achilles Pirmin Gasser (3 November 1505 – 4 December 1577) was a German physician and astrologer. He is now known as a well-connected humanist scholar, and supporter of both Copernicus and Rheticus.