Garfein-Garski, Stanisław (1867–1928)
Kautsky, Karl (1854–1938)
Myślicki, Ignacy (1874–1935)
Høffding, Harald (1843–1931)
Høffding, Harald (1843–1931)
Naudet, Paul (1859–1929)
Greulich, Hermann (1842–1925)
Cathrein, Victor (1845–1931)
Cathrein, Victor (1845–1931)
Cathrein, Victor (1845–1931)