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  1. Oxford American Dictionary

    Müller, Paul Hermann

    • IPA[ˈmjʊlər]

    美式

    • ph.
      (1899–1965), Swiss chemist. He synthesized DDT in 1939 and patented it as an insecticide. It was immediately successful, but was withdrawn by most countries in the 1970s when its environmental persistence and toxicity in higher animals was realized. Nobel Prize for Physiology and Medicine (1948).