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The biologist I chose to report on is Antony van Leeuwenhoek I chose to report on him because he made many great microscopic discoveries Those discoveries include bacteria free-living and parasitic microscopic protist sperm cells blood cells and many more Leeuwenhoek was born on October 24 1632 in Delft His mothers family were brewers and his father was a basket-maker Antony was taught at Warmond and lived with his uncle in Benthuizen He got his first job in a linen-drapers shop in 1648 In 1654 he moved back to Delft where he lived the rest of his life He set up a drapery business for a while but also worked as a surveyor wine assayer and a minor city official In 1676 he was the trustee of a famous painter named Jan Vermeer In 1668 Leeuwenhoek learned to grind lens and used them to make simple microscopes Robert Hooke was his inspiration to use microscopes Ten out of five hundred of Leeuwenhoeks scopes have survived up until today His microscopes were basically a strong magnifying glass and not compound like the ones used today Leeuwenhoeks scopes were composed of only one lens mounted in a tiny hole in the brass plate The brass plate served as the base also Whatever was being viewed was placed on a sharp point which was in front of the lens To focus the object two screws were turned The entire scope was 3-4 inches long and very difficult to use Leeuwenhoek is often called The inventor of the microscope when in truth the compound microscope was invented many years before he was born The old compound microscope were not very good for viewing because they could only enlarge 20-30 times the original size Leeuwenhoeks scopes however could magnify up to 200 times and more clearly then any other scopes at the time Because Leeuwenhoeks scopes could magnify so well and clear many of
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