Karel Čapek one of the most influential Czech writers of the century.
Jaroslav Heyrovský (Czech pronunciation: [ˈjaroslaf ˈɦɛjrofskiː] ( listen)) (December 1890 – March was a Czech chemist and inventor. Heyrovský was the inventor of the polarographic method. He was awarded the 1959 Nobel Prize for Chemistry.
Otto Wichterle was a Czech chemist and inventor, best known for his invention of modern contact lenses.
Emil Skoda was one of the most succesfull entrepreneur in Czech history. In time Škoda Transportation became the largest industrial business in the Austro-Hungarian Empire and later in Czechoslovakia.