Joseph Nádvornik

Josef Nádvorník (13 February 1906 – 8 July 1977) was a Czech lichenologist. He was an authority on lichens of the order Caliciales and, in particular, the genus Physcia.

Biography Nádvorník was born in Pláňavy on 13 February 1906. After graduating from a burgher school in Hlinsko, he studied at a teacher training institute in Chrudim, from where he graduated in 1925. He started employment as a teacher in Uzhhorod (now Ukraine), working there from the period 1925–1938. With the onset of the German occupation of Czechoslovakia, he was forced to return to the Protectorate of Bohemia and Moravia from where he first started as a teacher, in Hlinsko and later in Prague. With the support and encouragement of lichenologist Miroslav Servít (1886–1959), Nádvorník began collecting and studying lichens, He collected an abundant number of specimens for his herbarium, which is now stored in the Slovak National Museum in Bratislava.