Walter L. Craig FRSC (1953 – January 18, 2019)[1] was a Canadian mathematician and a Canada Research Chair in Mathematical Analysis and Applications at McMaster University.
[6] Craig attended the University of California at Berkeley and, after spending two years performing as a jazz musician, returned there to graduate with a bachelor's degree in mathematics in 1977.
[7] Craig earned his Ph.D. from New York University - Courant Institute in 1981; his dissertation, A Bifurcation Theory for Periodic Dissipative Wave Equations, was supervised by Louis Nirenberg.
His research topics included nonlinear partial differential equations, infinite dimensional Hamiltonian systems, Schrödinger operators and spectral theory, water waves, general relativity, and cosmology.
[7] In 2007, he was made a Fellow of the Royal Society of Canada;[9] he was awarded a Killam Fellowship in 2009.