Filósofos siglo XX de acuerdo a sus aportes ADORNO, Teodoro (1903 – 1969 ) ALEXANDER, Samuel (1859 - 1938 ) ALTHUSSER, Louis (1918 - ) AYER, Alfred Jules (1910 - 1989 ) BERGSON, Henri (1859 - 1941 ) BLONDEL, Maurice (1861 - 1949 ) BRADLEY, Francis Herbert (1846 - 1924 ) BRUNSCHVICG, León (1869 - 1944 ) CARNAP, Rudolf (1891 - 1970 ) CASSIRER, Ernst (1874 - 1945 ) COHEN, Hermann (1842 - 1918 ) DEWEY, John (1859 - 1952 ) DILTHEY, Wilhelm (1833 - 1911) EINSTEIN, Albert (1879 - 1955) FOUCAULT, Michel (1926 - 1984) GADAMER, Hans Georg GOODMAN, Nelson (1906 - ) HABERMAS, Jürgen (1929 - ) HAMELIN, Octave (1856 - 1907) HEIDEGGER, Martin (1889 - 1976) HUSSERL, Edmund (1859 - 1938 ) JAMES, William (1842 - 1910) JASPERS, Karl (1883 - 1969) LEVI-STRAUSS, Claude (1908 - ) MARCEL, Gabriel-Honoré (1889 - 1973) MARITAIN, Jacques (1882 - 1973) McTAGGART, John (1866 - 1925) MERLAU-PONTY, Maurice (1908 - 1961) MOORE, George Edward (1873 - 1958) ORTEGA Y GASSET, José (1883 - 1955) PEIRCE, Charles Sanders (1839 - 1914) PLANCK, Max Karl Ernst Ludwig POPPER, Sir Karl Raimund (1902 - ) QUINE, Willard van Orman (1908 - ) ROYCE, Josiah (1855 - 1916) RUSSELL, Bertrand Arthur William (1872 - 1970) SANTAYANA, George (1863 - 1952 ) SARTRE, Jean Paul (1905 - 1980 ) SCHELER, Max (1874 - 1928 ) SCHLICK, Moritz (1882 - 1936 ) SPENGLER, Oswald (1880 - 1936) WITTGENSTEIN , Ludwig (1889 - 1951) WHITEHEAD, Alfred North (1861 - 1947)