Raymond Frederick Streater (born 1936) is a British physicist, and professor emeritus of Applied Mathematics at King's College London.
He is best known for co-authoring a text on quantum field theory, the 1964 PCT, Spin and Statistics and All That.
Ray Streater was born on 21 April 1936 in Three Bridges, Worth, Sussex, England.
He married Mary Patricia née Palmer in 1962, including Stephen Bernard.
Streater co-authored a classic text on mathematical quantum field theory, reprinted as He has also become interested in the dynamics of quantum systems that are not in a pure state, but are large.