Prochaska, Antoni (1852–1930)
Adhémar, Robert d' (1874– )
Tannery, Jules (1848–1910)
Ignatovskij, Vladimir Sergeevič (1875–1942)
Ignatovskij, Vladimir Sergeevič (1875–1942)
Kulczycki, Ludwik (1866–1941)
Kozłowski, Władysław Mieczysław (1858–1935)
Piltz, Erazm (1851–1929)
Polska Partia Socjalistyczna "Proletariat"
Dunin Borkowski, Stanisław (1864–1934)
Johansson, Severin (1879–1929)
Neovius, Edvard Rudolf (1851–1917)
Block, Henrik (1882–1928)