Anton van Leeuwenhoek was a business man who bought and sold cloth. He did not trust the sellers to always give him the right type of cloth so he would use a microscope to count the threads and make sure the cloth was good quality. He needed good quality cloth because his customers would notice the bad quality and never buy from him again. He had made a super microscope that had from 200 to 500 magnification while all compound microscopes of the day had 30 to 40 magnification. He did not know Latin but he looked at the pictures from a book written in Latin and decided to look at things other than cloth with his microscope. He didn’t write any books but he sent a lot of letters to scientists and he discovered bacteria.
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