Ernst Stern (Romanian , 1876 –1954)
Johannes Frederik Engelbert ten Klooster (Dutch, 1873–1940)
Fedor Grigoryevich Solntsev (Russian, 1801 – 1892)
Carlo de Fornaro (Italian, 1872–1949)
Percy J. Billinghurst (English, 1871-1933)
Henry Matthew Brock (English, 1875 – 1960)
Norman Hinsdale Pitman (American, 1876-1925)
Georges Lepape (French, 1887-1971)
Louis Dalrymple (American, 1866 – 1905)
Karel Klíč (Czech, 1841-1926)
Albert Ilg (Austrian, 1847-1896)
Jean Veber (French, 1864–1928)
Félix Bracquemond (French, 1833-1914)
Fedor Grigoryevich Solntsev (Russian, 1801 – 1892)
Ernst Haeckel (German, 1834-1919)
Albert Ilg (Austrian, 1847-1896)
Will R. Barnes (American, ?-1939)
Anonymous
Friedrich Maximilian Hessemer (German, 1800 – 1860)
Friedrich Maximilian Hessemer (German, 1800 – 1860)