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    Zacharias Janssen

    Dutch optician

    Zacharias Janssen

    Zacharias Janssen

    Born ()

    The Hague

    DiedGiven as before (sometimes )

    Amsterdam

    NationalityDutch
    Other&#;namesZacharias Janssen, Sacharias Jansen
    OccupationSpectacle-maker (sometimes counterfeiter)
    Known&#;forPossible inventor of the microscope and the telescope (posthumous claim)
    Parents
    • Hans Mertens (father)
    • Mayken Provoost Bacher (mother)

    Zacharias Janssen; also Zacharias Jansen or Sacharias Jansen; &#; pre[1]) was a Dutch spectacle-maker who lived most of his life in Middelburg.

    He is associated with the invention of the first optical telescope and/or the first truly compound microscope, but these claims (made 20 years after his death) may be fabrications put forward by his son.

    Biography

    Zacharias Janssen was born in The Hague.

    Local records seem to indicate he was born in [2] although a date of birth as early as [3] or as lat