Philip John Holmes (born May 24, 1945) is the Eugene Higgins Professor of Mechanical and Aerospace Engineering at Princeton University.

As a member of the Mechanical and Aerospace Engineering department, he formerly served as the interim chair until May 2007.

[1] He has made solid contributions to the field of nonlinear dynamics and differential equations.

His book on dynamical systems with John Guckenheimer is a landmark in the field.

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