Editing 1749 in science (section)

==Births==
* February 4 – [[Thomas Earnshaw]], [[English people|English]] [[watchmaker]] (died [[1829 in science|1829]])
* February 7 - [[Philippe Petit-Radel]], [[French people|French]] [[surgeon]] (died [[1815 in science|1815]])<ref>{{cite web |last1=Lemaitre |first1=Nicole |title=Petit-Radel Philippe |url=https://cths.fr/an/savant.php?id=120782 |website=cths.fr |publisher=Comité des travaux historiques et scientifiques |access-date=10 March 2021 |language=fr}}</ref>
* March 23 – [[Pierre-Simon Laplace]], [[French people|French]] [[mathematician]] and [[astronomer]] (died [[1827 in science|1827]])
* May 17 – [[Edward Jenner]], English [[physician]], inventor of the [[smallpox]] [[vaccine]] (died [[1823 in science|1823]])
* September 6 – [[Benjamin Bell]], [[Scottish people|Scottish]] surgeon (died [[1806 in science|1806]])
* September 25 – [[Abraham Gottlob Werner]], [[German people|German]] [[geologist]] (died [[1817 in science|1817]])
* November 3 – [[Daniel Rutherford]], Scottish [[physician]], [[chemist]] and [[botanist]] noted for the isolation of [[nitrogen]] (died [[1819 in science|1819]])