Sybel, Ludwig von (1846–1929)
Adhémar, Robert d' (1874– )
Garollo, Gottardo (1850–1917)
Kępiński, Stanisław (1867–1908)
Kępiński, Stanisław (1867–1908)
Ignatovskij, Vladimir Sergeevič (1875–1942)
Kozłowski, Władysław Mieczysław (1858–1935)
Schmidt, Max Carl Paul (1853–1918)
Piltz, Erazm (1851–1929)
Polska Partia Socjalistyczna "Proletariat"
Amaldi, Ugo (1875–1957) Enriques, Federigo (1871–1946) Fleischer, Hermann
Enriques, Federigo (1871–1946)
Calò, Benedetto (1869–1917)
Conti, Alberto (1873–1940)
Daniele, Ermenegildo (1875–1949)
Enriques, Federigo (1871–1946)
Castelnuovo, Guido (1965–1952)