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For millennia, the smallest thing humans could see was about as wide as a human hair.

When the microscope was invented around 1590, suddenly we saw a new world of living things in our water, in our food and under our nose.

But it's unclear who invented the microscope.

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Explore books by Hans Janssen with our selection at Click and Collect from your local Waterstones or get FREE UK delivery on orders over.

Peter Schjeldahl reviews “Piet Mondrian: A Life,” by Hans Janssen, a new biography that excavates the genius of the Dutch modernist painter.

Image of Samen opvoeden: oriëntatie op pedagogische werkvelden · Image of Mondriaan in Amsterdam,

Plate 2: Ornamental panel illustrating a scene from the History of Abraham and Jacob, where Abimelech confronts Abraham; from Genesis Hans Janssen Dutch.

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Some historians say it was Hans Lippershey, most famous for filing the first patent for a telescope. Other evidence points to Hans and Zacharias Janssen, a father-son team of spectacle makers living in the same town as Lippershey.

Janssen or Lippershey?

Hans Lippershey, also spelled Lipperhey, was born in Wesel, Germany in 1570, but moved to Holland, which was then enjoying a period of innovation in art and science called the Dutch Golden Age.

Lippershey settled in Middelburg, where he made spectacles, binoculars and some of the earliest microscopes and telescopes.

Also living in Middelburg were Hans and Zacharias Janssen. Historians attribute the invention of the microscope to the Ja