Editing Mary Cartwright (section)

{{Short description|British mathematician (1900–1998)}}
{{EngvarB|date=July 2017}}
{{Use dmy dates|date=April 2023}}
{{Infobox scientist
| honorific_prefix  = [[Dame]]
| honorific_suffix  = {{Post-nominals|country=GBR|size=100%|DBE|FRS|FRSE}}
| image             = Mary cartwright.jpg
| caption           = Cartwright in 1950
| birth_date        = {{birth date|df=yes|1900|12|17}}
| birth_place       = [[Aynho]], England
| death_date        = {{death date and age|df=yes|1998|4|3|1900|12|17}}
| death_place       = [[Cambridge]], England
| alma_mater        = [[St Hugh's College, Oxford]]
| doctoral_advisor  = [[G. H. Hardy]]
| doctoral_students = {{plainlist|
*[[Walter Hayman]]
*[[Elizabeth McHarg]]
}}
| notable_students  = [[Sheila Scott Macintyre]]
| known_for         = *[[Cartwright's theorem]]
*Research about the [[Butterfly effect]]
| prizes            = {{plainlist|
*[[Sylvester Medal]] (1964)
*[[De Morgan Medal]] (1968)
}}
}}

'''Dame Mary Lucy Cartwright''' {{Post-nominals|country=GBR|DBE|FRS|FRSE}} (17 December 1900&nbsp;– 3 April 1998)<ref>{{Cite news|title=Obituary: Mary Cartwright|journal=[[The Times]]|year=1998|url=https://mathshistory.st-andrews.ac.uk/Obituaries/Cartwright/}}</ref> was a British mathematician. She was one of the pioneers of what would later become known as [[chaos theory]].<ref>[[Freeman Dyson|Freeman J. Dyson]], [https://books.google.com/books?id=CQeKFG01s-oC&pg=PA169 ''Mary Lucy Cartwright (1900–1998): Chaos theory''], pp. 169–177, in ''Out of the Shadows: Contributions of Twentieth-Century Women to Physics'', edited by [[Nina Byers]] and Gary Williams, 498 p. (Cambridge University Press, 2006); {{isbn|0-521-82197-5}}</ref> Along with [[J. E. Littlewood]], Cartwright saw many solutions to a problem which would later be seen as an example of the [[butterfly effect]].