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Louis Agassiz (American, 1807 – 1873)
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Charles Dana Gibson (American, 1867 - 1944)
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Louis Agassiz (American, 1807 – 1873)
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John Rubens Smith (American, 1775 - 1849)
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George Reiter Brill (American, 1867 - 1918)
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C. W. Love (American, 19th/20th Century)