Michel Hénon (French: [enɔ̃]; 1931 in Paris – 7 April 2013 in Nice) was a French mathematician and astronomer.^{[1]} He worked for a long time at the Nice Observatory.
In astronomy, Hénon is well known for his contributions to stellar dynamics. In the late 1960s and early 1970s he made important contributions on the dynamical evolution of star clusters, in particular globular clusters. He developed a numerical technique using Monte Carlo methods to follow the dynamical evolution of a spherical star cluster much faster than the socalled nbody methods.
In mathematics, he is well known for the Hénon map, a simple discrete dynamical system that exhibits chaotic behavior.
He published a twovolume work on the restricted threebody problem.
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✪ Laskar Jacques "Stability and Chaos in the Solar System. From Poincaré to the present"

✪ Pythagorean 3Body Problem With Osculating Orbits

✪ Robert Cahalan Maniac Lecture, 24 October 2012
Transcription
References
 ^ "[Observatoire de la Côte d'Azur] Décès de Michel Hénon, Astronome à l'Observatoire de la Côte d'Azur". Oca.eu. 18 March 2011. Archived from the original on 6 April 2015. Retrieved 12 June 2013.
External links
 Hénon's publications (a partial list from NASA Astrophysics Data System).
 A discussion of Hénon's equation, contains further links.
 Simulation of Hénon map in javascript (experiences.math.cnrs.fr).