A report on John Hubbard (physicist) and Hubbard–Stratonovich transformation

John Hubbard (27 October 1931 – 27 November 1980) was a British physicist, best known for the Hubbard model for interacting electrons, the Hubbard–Stratonovich transformation, and the Hubbard approximations.

The Hubbard–Stratonovich (HS) transformation is an exact mathematical transformation invented by Russian physicist Ruslan L. Stratonovich and popularized by British physicist John Hubbard.