Editing 1831 in science (section)

==Births==
* January 20 – [[Edward Routh]] (died [[1907 in science|1907]]), Canadian-born English [[mathematician]].
* January 26 – [[Heinrich Anton de Bary]] (died [[1888 in science|1888]]), [[Germans|German]] [[Surgery|surgeon]], [[botanist]], [[microbiologist]] and [[mycologist]].
* February 28 – [[Edward James Stone]] (died [[1897 in science|1897]]), English [[astronomer]].
* March 3 – [[George Pullman]] (died [[1897 in science|1897]]), American [[inventor]].
* May 16 – [[David E. Hughes]] (died [[1900 in science|1900]]), British inventor.
* June 13 – [[James Clerk Maxwell]] (died [[1879 in science|1879]]), Scottish-born mathematician.
* August 20 – [[Eduard Suess]] (died [[1914 in science|1914]]), Austrian [[geologist]].
* October 6 – [[Richard Dedekind]] (died [[1916 in science|1916]]), German mathematician.
* October 15 – [[Isabella Bird]] (died [[1904 in science|1904]]), English explorer, writer, photographer and naturalist.
* October 21 – [[Hermann Hellriegel]] (died [[1895 in science|1895]]), German [[agricultural chemist]], discoverer of the mechanism by which [[Leguminosae|leguminous plants]] assimilate the free [[nitrogen]] of the atmosphere.
* October 29 – [[Othniel Charles Marsh]] (died [[1899 in science|1899]]), American [[paleontologist]].
* December 5 – [[Hans Heinrich Landolt]] (died [[1910 in science|1910]]), Swiss-born chemist.