Falckenberg, Richard (1851–1920)

Wundt, Wilhelm (1832–1920)

Locke, John (1632–1704)

Cabot, Richard C. (1868–1939)

Freeman, Edward Augustus (1823–1892)

Simmel, Georg (1858–1918)

Ribot, Théodule (1839–1916)

Danysz, Jan (1860–1928)

Hettner, Hermann (1821–1882)

James, William (1842–1910) Kozłowski, Władysław Mieczysław (1858–1935)

Sheldon, Walter Lorenzo (1858–1907)

Aulard, François Alphonse (1849–1928)