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. John Craig (physician):  He also corresponded with Tycho Brahe, and associated with John Napier. Tycho Brahe: Tycho Brahe ( , born Tyge Ottesen Brahe (] ); 14 December 154624 October 1601) was a Danish nobleman known for his accurate and comprehensive astronomical and planetary observations.
John Craig M.D.