| 1881–1973 | Ludwig von Mises |
| 1889–1951 | Ludwig Wittgenstein |
| 1896–1959 | Friedrich Waismann |
| 1861–1925 | Rudolph Steiner |
| 1899–1959 | Alfred Schütz |
| 1868–1954 | Wilhelm Schmidt |
| 1888–1969 | Theodor Reik |
| 1920–1983 | Mia Pringle |
| 1875–1951 | Ferdinand Porsche |
| 1882–1945 | Otto Neurath |
| 1881–1973 | Hans Kelsen |
| 1856–1939 | Sigmund Freud |
| 1878–1965 | Martin Buber |
| 1870–1937 | Alfred Adler |
