Important people in Semiotics, Set Theory, Modern Logic and Philosophy of Science

• Immanuel Kant, 1724 - 1804
• Lewis Carroll, 1832 - 1898
• Ernst Waldfried Josef Wenzel Mach, 1838 - 1916
• Charles Sanders Peirce, 1839-1914
• Friedrich Ludwig Gottlob Frege, 1848 - 1925
• Jules-Henri Poincaré, 1854 – 1912
• Ferdinand de Saussure, 1857 - 1913
• Giuseppe Peano, 1858-1932
• Pierre Maurice Marie Duhem, 1861 - 1916
• Alfred North Whitehead, 1861 - 1947
• David Hilbert, 1862 - 1943
• Ernst Friedrich Ferdinand Zermelo, 1871-1953
• Bertrand Arthur William Russell, 1872 - 1970
• Otto Neurath, 1882 - 1945
• Ludwig Josef Johann Wittgenstein, 1889 - 1951
• Rudolf Carnap, 1891 - 1970
• Stefan Banach, 1892 - 1945
• Haskell Brooks Curry, 1900 - 1982
• Alfred Tarski, 1901 - 1983
• Sir Karl Raimund Popper, 1902 - 1994
• Alonzo Church, 1903 - 1995
• Johannes Ludwig von Neumann, 1903 - 1957
• Kurt Gödel, 1906 - 1978
• Willard van Orman Quine, 1908 - 2000
• Stephen Cole Kleene, 1909 - 1994
• Gerhard Karl Erich Gentzen, 1909 - 1945
• Alan Mathison Turing, 1912 - 1954
• Thomas Samuel Kuhn, 1922 - 1996
• Paul Karl Feyerabend, 1924 – 1994
• Sir Michael Anthony Eardley Dummett F.B.A., D. Litt, 1925 - 2011
• Hilary Whitehall Putnam, 1926 -
• Avram Noam Chomsky, 1928 -
• Saul Aaron Kripke, 1940 -