Author Description

'...every page shows evidence of great mastery of the subject.' Trans. Faraday Society'this book is destined to play a major part in the future education of theoretical physicists.' Proceedings of the Physical SocietyThis edition has been completely revised to include some 20% of new material. Important recent developments such as the theory of Regge poles are now included. Many problems with solutions have been added to those already contained in the book.