George Soros (born 1930 in Budapest) is a prominent American billionaire, thinker and philanthropist. After surviving the German occupation of Hungary, he moved with his family to England in 1947, where he studied at the London School of Economics. He has lived in the United States since 1956. Soros is considered one of the most successful investors in the world. His worldview was formed under the influence of Karl Popper's philosophical ideas, in particular his theory of open society. Since 1979, Soros has been actively promoting the ideas and practical development of an open society in various parts of the world through an extensive network of charitable foundations. Soros's book Open Society: Reforming Global Capitalism (2000) is a revised and supplemented edition of his book The Crisis of Global Capitalism (1998). In it, he collected the main ideas of his life, which are based on the prevailing principles of the organization of a global open society.