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1.
Tennis players
Kvitová is Czech
2.
Rulers
Boris III was emperor of Bulgaria
3.
Authors
Kafka was born in present-day Czechia
4.
Philosophers
Marx was German
5.
Chess Players
Kasimdzhanov is Uzbekistani
6.
2016 Olympic Gold Medallists
Olivia Smoliga, swimming
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Aliya Mustafina, gymnastics
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Ekaterina Makarova, tennis
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Smoliga is American
7.
Composers
Khachaturian was Armenian
8.
Ballet dancers
Fonteyn was British
9.
Astronauts
Resnik was American
10.
Leaders
Niyazov led Turkmenistan
11.
Scientists
Max Planck, Nobel prize winner in theoretical physics
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Wladimir Köppen, of Köppen climate classification fame
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Ivan Pavlov, of Pavlov's dogs fame
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Alexander Prokhorov, inventor of the laser
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12.
Present-day pop singers
Avicii is Swedish
13.
World boxing champions
Klitschko is Ukrainian
14.
Musicians
Sviatoslav Richter, pianist
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Mstislav Rostropovich, cellist
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Nikolai Rubinstein, pianist
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Yehudi Menuhin, violinist
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Menuhin was a dual British/American citizen, born in USA
15.
Playwrights
Havel was Czech, and later became Czechia's first president