{{Short description|Dutch-American astronomer (1902–1966)}} {{for|the architect|Dirk Brouwer (architect)}} {{Use mdy dates|date=August 2025}} {{Infobox scientist |name = Dirk Brouwer |image = |birth_date = {{Birth date|1902|9|1|}} |birth_place = [[Rotterdam]], Netherlands |death_date = {{death date and age|1966|1|31|1902|9|1}} |death_place = [[New Haven]], US |residence = |citizenship = |ethnicity = |field = [[astronomy]] |work_institutions = |alma_mater = [[Leiden University]] |doctoral_advisor = [[Willem de Sitter]]<ref>{{MathGenealogy|id=112205|name=Dirk Brouwer}}</ref> |doctoral_students = [[Brian G. Marsden]]<br>[[Jean Kovalevsky]] |known_for = [[celestial mechanics]] |influences = |influenced = |prizes = [[Gold Medal of the Royal Astronomical Society]] (1955)<br/>[[Bruce Medal]] (1966) |religion = }} '''Dirk Brouwer''' ({{IPA|nl|ˈdɪr(ə)ɡ ˈbrʌu.ər}}; September 1, 1902 – January 31, 1966) was a Dutch-American astronomer.<ref>{{cite journal|title=Obituary: Dirk Brouwer|journal=Physics Today|date=March 1966|volume=19|issue=3|pages=108–109|url=http://www.physicstoday.org/resource/1/phtoad/v19/i3/p108_s2?bypassSSO=1|archive-url=https://archive.today/20130917142834/http://www.physicstoday.org/resource/1/phtoad/v19/i3/p108_s2?bypassSSO=1|url-status=dead|archive-date=2013-09-17|doi=10.1063/1.3048090|url-access=subscription}}</ref>

He received his PhD in 1927 at [[Leiden University]] under [[Willem de Sitter]]<ref>{{cite book |title=The Biographical Encyclopedia of Astronomers |last=Hockey |first=Thomas |year=2009 |publisher=[[Springer Publishing]] |isbn=978-0-387-31022-0 |accessdate=August 22, 2012 |url=http://www.springerreference.com/docs/html/chapterdbid/58212.html}}</ref> and then went to [[Yale University]]. From 1941 until 1966 he was editor of the ''[[Astronomical Journal]]''.

He specialized in [[celestial mechanics]] and together with [[Gerald Clemence]] wrote the textbook ''Methods of Celestial Mechanics''.

== Awards == *[[Gold Medal of the Royal Astronomical Society]] (1955) *[[Bruce Medal]] (1966)

== Named after him == *[[Asteroid]] [[1746 Brouwer]] *The crater [[Brouwer (crater)|Brouwer]] on the [[Moon]] (jointly with [[mathematician]] [[Luitzen Egbertus Jan Brouwer]]) *[[Brouwer Award (Division on Dynamical Astronomy)|Dirk Brouwer Award]] of the [[Division on Dynamical Astronomy]] of the [[American Astronomical Society]] *[[Dirk Brouwer Award (American Astronautical Society)|Dirk Brouwer Award]] of the [[American Astronautical Society]]

==References== {{reflist|2}}

==External links== * [http://www.phys-astro.sonoma.edu/BruceMedalists/Brouwer/index.html Bruce Medal page] * [http://adsabs.harvard.edu//full/seri/PASP./0078//0000195.000.html Awarding of Bruce medal] * [http://adsabs.harvard.edu//full/seri/MNRAS/0115//0000199.000.html Awarding of RAS gold medal] *[http://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/brouwer-dirk.pdf National Academy of Sciences Biographical Memoir]

===Obituaries=== * [http://adsabs.harvard.edu//full/seri/AJ.../0071//0000076.000.html AJ '''71''' (1966) 76] (one paragraph) * [http://adsabs.harvard.edu//full/seri/Obs../0086//0000092.000.html Obs '''86''' (1966) 92] (one line) * [http://adsabs.harvard.edu//full/seri/PASP./0078//0000104.000.html PASP '''78''' (1966) 104] (one line, see also [http://adsabs.harvard.edu//full/seri/PASP./0078//0000195.000.html]) * [http://adsabs.harvard.edu//full/seri/QJRAS/0008//0000084.000.html QJRAS '''8''' (1967) 84]

{{Authority control}}

{{DEFAULTSORT:Brouwer, Dirk}} [[Category:1902 births]] [[Category:1966 deaths]] [[Category:20th-century American astronomers]] [[Category:20th-century Dutch astronomers]] [[Category:Dutch emigrants to the United States]] [[Category:Leiden University alumni]] [[Category:Members of the United States National Academy of Sciences]] [[Category:Scientists from Rotterdam]] [[Category:Recipients of the Gold Medal of the Royal Astronomical Society]] [[Category:Yale University faculty]] [[Category:The Astronomical Journal editors]]

{{US-astronomer-stub}} {{netherlands-scientist-stub}} {{Europe-astronomer-stub}}