Otakar Batlička
Otakar Batlička ( 12 March 1895 , Prague , Czech Republic ( then part of the Kingdom of Bohemia in Austria-Hungary ) – 13 February 1942 , Mauthausen-Gusen concentration camp ) was a Czech adventurer , journalist , ham ( amateur ) radio operator , and member of the Czech-based Nazi resistance group Obrana Národa during World War II . 
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