Austria has many artists , there are Gustav Klimt , Oskar Kokoschka , Egon Schiele or Friedensreich Hundertwasser , Inge Morath or Otto Wagner and scienc . Among Austrian Artists and architects one can find the painters Ferdinand Georg WaldmÃ 1\/4 ller , Rudolf von Alt , Hans Makart , Gustav Klimt , Oskar Kokoschka , Egon Schiele , Carl Moll , and Friedensreich Hundertwasser , the photographers Inge Morath and Ernst Haas , and architects like Johann Bernhard Fischer von Erlach , Otto Wagner , Adolf Loos , and Hans Hollein .