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Czech Astronomers

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Josef Jan Alexander Frič (deceased)
Thaddäus Xaverius Peregrinus Haenke (1761 - 1816)
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Tadeáš Hájek z Hájku (1525 - 1600)
Jan Zajíc (1910 - 2004)
Vladimír Ptáček (1920 - 2001)

This project consists of Czech Astronomers who lived and worked in Bohemia and Czechia