Louis Agassiz (American, 1807 – 1873)
Samuel Finley Breese Morse (American, 1791 – 1872)
Louis Agassiz (American, 1807 – 1873)
Louis Agassiz (American, 1807 – 1873)
Julius Bien (American, 1826-1909)
John Leslie Breck (American, 1860 - 1899)
Vernon Winslow (American, 20th Century)
Louis Agassiz (American, 1807 – 1873)