Tadeáš Hájek

Tadeáš Hájek z Hájku
An 18th-century engraving of Tadeáš Hájek
Born1 December 1525
Died1 September 1600(1600-09-01) (aged 74)

Tadeáš Hájek of Hájek (Czech: Tadeáš Hájek z Hájku, Czech pronunciation: [ˈtadeaːʃ ˈɦaːjɛk ˈzɦaːjku]; 1 December 1525 – 1 September 1600), also known by Latinized names Thaddaeus Hagecius ab Hayek and Thaddeus Nemicus, was a naturalist and astronomer from Bohemia. He was a personal physician of the Holy Roman Emperor Rudolf II and an astronomer in the Kingdom of Bohemia.