Editing Leiden (section)

=== Science ===
[[File:Herman Boerhaave by J Champan.jpg|140px|thumb|Herman Boerhaave]]
[[File:Johannes Diderik van der Waals.jpg|140px|thumb|Johannes Diderik van der Waals]]

* [[Rembert Dodoens]] (1517–1585), botanist, died in Leiden
* [[Carolus Clusius|Charles de L'Écluse]] (1526–1609), botanist, [[horticulturist]] and director of [[Hortus Botanicus Leiden]]
* [[Ludolph van Ceulen]] (1540–1610), mathematician, computed the number π, [[pi]]
* [[Willebrord Snellius]] (1580–1626), Dutch astronomer and mathematician<ref>{{cite EB1911 |wstitle=Snell,_Willebrord |volume=25 |short=x}}</ref> 
* [[Herman Boerhaave]] (1668–1738), botanist, chemist, Christian humanist and physician<ref>{{cite EB1911 |wstitle=Boerhaave,_Hermann |volume=04 |short=x}}</ref> 
* [[Bernhard Siegfried Albinus]] (1697–1770), a German-born Dutch anatomist<ref>{{cite EB1911 |wstitle=Albinus,_Bernhard_Siegfried |volume=01 |short=x}}</ref>
* [[Gerard van Swieten]] (1700–1772), Dutch physician, personal physician of [[Maria Theresa]]
* [[Petrus Camper]] [[Fellow of the Royal Society|FRS]] (1722–1789), Dutch physician, anatomist, physiologist, midwife, zoologist, anthropologist, palaeontologist and a naturalist<ref>{{cite EB1911 |wstitle=Camper,_Peter |volume=05 |short=x}}</ref>
* [[Philipp Franz von Siebold]] (1796–1866), German physician and botanist, studied Japanese flora and fauna<ref>{{cite EB1911 |wstitle=Siebold,_Philipp_Franz_von |volume=25 |short=x}}</ref>
* [[Johannes Diderik van der Waals]] (1837–1923), Dutch theoretical physicist, winner of the [[List of Nobel laureates in Physics|1910 Nobel Prize in Physics]]
* [[Hendrik Lorentz]] (1853–1928), Dutch physicist, joint winner of the [[List of Nobel laureates in Physics|1902 Nobel Prize in Physics]]
* [[Heike Kamerlingh Onnes]] (1853–1926), Dutch physicist and winner of the [[List of Nobel laureates in Physics|1913 Nobel Prize in Physics]]
* [[Willem Einthoven]] (1860–1927), Dutch physician and physiologist
* [[Pieter Zeeman]] (1865–1943), Dutch physicist, joint winner of the [[List of Nobel laureates in Physics|1902 Nobel Prize in Physics]]
* [[Willem de Sitter]] (1872–1934), Dutch mathematician, physicist and astronomer
* [[Albert Einstein]] (1879–1955), lecturer/researcher at [[Leiden University]], variously between 1916 and 1930
* [[Paul Ehrenfest]] (1880–1933), Austrian/Dutch [[theoretical physicist]], contributed to [[statistical mechanics]]
* [[Geertruida de Haas-Lorentz]] (1885–1973), female Dutch physicist, worked on [[Brownian motion]] and [[Noise (electronics)|electrical noise theory]]
* [[Jan Oort]] (1900–1992), Dutch astronomer, pioneer in [[radio astronomy]] 
* [[Hendrik Casimir]] (1909–2000), Dutch physicist
* [[Ewine van Dishoeck]] (born 1955), Dutch astronomer, chemist, [[Atomic and molecular astrophysics|molecular astrophysicist]]