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- 09:28, 24 July 2010 S8600021 talk contribs uploaded File:Hartsoeker 1740 sperm woodcut.jpg (Hartsoeker woodcut published in about 1740 – 1750. Professor Lord Robert Winston: "It shows a little sperm, a human sperm with of course a little a man, the homunculus in the head of the sperm. When they were looking down the van Leeuwenhoek microscop)