In 1874, Fanny Angelina married physician and bacteriologist Walther Hesse, an investigator of air quality and, specifically, air-borne microbes. In the Winter of 1880-81, Hesse became a research student with Koch in Berlin and experienced firsthand the difficulty of growing microbes on gelatine and the other growth media used at the time.
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有关国家机关依法在自然保护区履行法定职责的，自然保护区管理机构应当提供必要便利。
增值电信业务经营许可证：沪B2-2017116