Gustav Eisen
Gustav Eisen worked at the California Academy of Sciences. He became a member of the Academy in 1874 and a Life Member in 1883. In 1893, he became the Curator of Archaeology, Ethnology, and Lower Animals at the Academy. He later changed titles to Curator of Marine Invertebrates. In 1938, he was appointed as an Honorary Member, which is considered the highest honor from the Academy.
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Source: Wikipedia