Frantisek Weyr (or Franz Weyr), (1879–1951) Alfred North Whitehead, (1861–1947) Wilhelm Windelband, (1848–1915)* Stanislaw Ignacy Witkiewicz, (1885–1939) Ludwig Wittgenstein, (1889–1951) Woo Tsin-hang (or Chih-hui), (1865–1953) Chauncey Wright, (1830–1875) Dorothy Maud Wrinch, (1894–1976) Wilhelm Wundt, (1832–1920)* X Y Z Peter Wessel Zapffe, (1899–1990) Eduard Zeller, (1814–1908) Ernst Zermelo, (1871–1953) Zhang Dongsun, (1886–1973) Florian Znaniecki, (1882–1958) Xavier Zubiri, (1889–1983) See also Lists of philosophers 19th-century philosophy List of philosophers born in the centuries BC List of philosophers born in the 1st through 10th centuries List of philosophers born in the 11th through 14th centuries List of philosophers born in the 15th and 16th centuries List of philosophers born in the 17th century List of philosophers born in the 18th century List of philosophers born in the 20th century Notes 19 Philosophers