Austrian logicians

Austrian neurologist and founder of psychoanalysis (1856–1939)

Austrian philosopher and logician (1889–1951)

Austrian-British philosopher of science and social and política e falsificationism and for criticism of Plato, Hegel and Marx as totalitarian opponents of open society (1902-1994)

Austrian-American logician, mathematician, and philosopher of mathematics (1906-1978)

German philosopher, known as the father of phenomenology (*1859 – †1938)

Austrian philosopher

American mathematician (1923–2015)

Austrian philosopher (1879-1944)