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George Keith Batchelor | |
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Born | Melbourne, Australia | 8 March 1920

Died | 30 March 2000 Cambridge, England | (aged 80)

Nationality | Australian |

Alma mater | University of Melbourne |

Known for | Batchelor vortex Prandtl–Batchelor theorem Batchelor–Chandrasekhar equation Batchelor scale |

Awards | Adams Prize (1950) Royal Medal (1988) Timoshenko Medal (1988) |

Scientific career | |

Fields | Applied mathematics Fluid dynamics |

Institutions | University of Cambridge |

Doctoral advisor | Geoffrey Ingram Taylor |

Doctoral students | Philip Saffman Keith Moffatt Adrian Gill |

**George Keith Batchelor** FRS^{[1]} (8 March 1920 – 30 March 2000) was an Australian applied mathematician and fluid dynamicist.

He was for many years a Professor of Applied Mathematics in the University of Cambridge, and was founding head of the Department of Applied Mathematics and Theoretical Physics (DAMTP). In 1956 he founded the influential *Journal of Fluid Mechanics*^{[2]} which he edited for some forty years. Prior to Cambridge he studied at Melbourne High School and University of Melbourne.^{[3]}

As an applied mathematician (and for some years at Cambridge a co-worker with Sir Geoffrey Taylor in the field of turbulent flow), he was a keen advocate of the need for physical understanding and sound experimental basis.

His *An Introduction to Fluid Dynamics* (CUP, 1967) is still considered a classic of the subject, and has been re-issued in the *Cambridge Mathematical Library* series, following strong current demand.^{[4]} Unusual for an 'elementary' textbook of that era, it presented a treatment in which the properties of a real viscous fluid were fully emphasised.^{[5]} He was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1959.^{[6]}

The Batchelor Prize award, is named in his honour and is awarded every four years at the meeting of the International Congress on Theoretical and Applied Mechanics.^{[7]}

**^**Moffatt, H. K. (2002). "George Keith Batchelor. 8 March 1920 – 30 March 2000".*Biographical Memoirs of Fellows of the Royal Society*.**48**: 25–41. doi:10.1098/rsbm.2002.0002. JSTOR 3650247.**^**Huppert, H. E. (2000). "George Keith Batchelor 8 March 1920–30 March 2000 Founding Editor, Journal of Fluid Mechanics, 1956".*Journal of Fluid Mechanics*.**421**(1): 1–14. Bibcode:2000JFM...421....1H. doi:10.1017/S0022112000001968.**^**Gregory, Alan (2005).*Strong Like Its Pillars*. Melbourne: Thompson Library Trust. ISBN 978-0-646-43922-8.**^**G. K. Batchelor (2000) [1967].*An Introduction to Fluid Dynamics*. Cambridge Mathematical Library series, Cambridge University Press. ISBN 978-0-521-66396-0.**^**Review of An Introduction to Fluid Dynamics by G. K. Batchelor, G. I. Taylor, Eureka, February 1968**^**"Book of Members, 1780-2010: Chapter B" (PDF). American Academy of Arts and Sciences. Retrieved 20 May 2011.**^**"The Batchelor Prize in Fluid Mechanics – IUTAM".*iutam.org*. Retrieved 27 March 2016.

- O'Connor, John J.; Robertson, Edmund F., "George Batchelor",
*MacTutor History of Mathematics archive*, University of St Andrews *An Introduction to Fluid Dynamics*by G. K. Batchelor at Cambridge Mathematical Library.- Obituaries for George Batchelor (with portraits) at the Department of Applied Mathematics and Theoretical Physics (DAMTP) of the University of Cambridge website
- Obituary by Julian Hunt
- Video recording of the K. Moffatt's lecture on life and work of George Batchelor