Gessner, Konrad (1516-1565)
© Anon, | 1560
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Scheuchzer, Johann (1672-1733)
© Anon, | 1726
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Saussure de, Horace (1740 - 1799)
© Anon, | 1780
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Saussure de, Horace (1740 - 1799)
© Anon, | 1782
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Gressly, Amanz (1814 - 1865)
© Anon, | 1849
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Linth, Arnold Escher von der (1807 – 1872)
© Anon, | 1865
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Heer, Oswald (1809-1883)
© Anon, | 1874
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Loriol, Charles de (1828 – 1908)
© Anon, | 1900
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Baltzer, Armin (1842-1913)
© Anon, | 1907
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Schardt, Hans (1858-1931)
© Anon, | 1920
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Agassiz, Jean (1807–1873)
© Anon, | 1950
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Agassiz, Jean (1807–1873)
© Anon, | 1950
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