Alexander Bogdanovich Villevalde

Alexander Bogdanovich Villevalde (Russian 1818 - 1903)

Eduard Frankfort

Eduard Frankfort (Dutch,  1864 -1920)

Pierre Adolphe Valette

Pierre Adolphe Valette (French , 1794 - 1879)

Charles Samuel Keene

Charles Samuel Keene (British, 1823 - 1891)

Miguel Viladrich Vilá

Miguel Viladrich Vilá (Spanish, 1887 - 1956)

Gabrijel Jurkić

Gabrijel Jurkić (Bosnian, 1886 - 1974)

Bruno Saetti

Bruno Saetti (Italian, 1902-1984)

Jan Preisler

Jan Preisler (Czech, 1872 - 1918)

Frank O Salisbury

Frank O Salisbury (British, 1874 - 1962)