Charles Dana Gibson (American, 1867 - 1944)
George Henry Durrie (American, 1820 - 1863)
Charles Sprague Pearce (American, 1851-1914)
Thomas Moran (American, 1837-1926)
Louis Agassiz (American, 1807 – 1873)
Frank Earle Schoonover (American, 1877-1972)