Georgius Jacobus Johannes van Os (Dutch, 1782 - 1861)
Emil Jakob Schindler (Austrian, 1842 – 1892)
Louis John Steele (New Zealander, 1842 – 1918)
Adolf Stademann (German, 1824-1895)
William Merritt Chase (American, 1849-1916)
Albert Edelfelt (Finnish, 1854 - 1905)