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1747 in science
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==Deaths== * April 2 β [[Johann Jacob Dillenius]], German [[botanist]], botanical artist, and physician who studied and produced several papers on [[cryptogams]] ([[lower plants]] that do not have seeds or flowers), such as [[moss]]es and [[algae]] (born [[1687 in science|1687]]) * August 8 β [[MΓ₯rten Triewald]], [[Sweden|Swedish]] [[mechanical engineer]] (born [[1691 in science|1691]]) * [[Johann Heinrich von Heucher]], German botanist, after whom the genus ''[[heuchera]]'' is named (born [[1677 in science|1677]])
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