Tadeáš Hájek
Tadeáš Hájek z Hájku, also known as Tadeáš Hájek of Hájek, Thaddaeus Hagecius ab Hayek or Thaddeus Nemicus, was a Czech naturalist, personal physician of the Holy Roman Emperor Rudolph II and an astronomer in the Kingdom of Bohemia.
1 December 1525
Born on the same birth day (1 December): Aleksandr Panayotov Aleksandrov • Jan Brett • Jan Długosz • Joachim Hoffmann • John Densmore • Marie Tussaud • Marty Marion • Mihály Vörösmarty • Obba Babatundé • Salvatore Schillaci • Sylvie Daigle • Walter Alston
Born in the same month (December 1525): John Albert I