Dr Saurabh Kwatra, is currently working as a Project Acquisition Manager, Institute of Innovative Design (IID), c/o Siberian Federal University, Krasnoyarsk, Russia and also a Visiting Faculty, Industrial Design Centre, Indian Institute of Technology (IIT) Bombay, Mumbai. He is an educator and practitioner of Russian 'Theory of Inventive Problem Solving' (TRIZ). A qualified MA TRIZ Level, he is pursuing research towards Level 4 under renowned Professor Yuri Salamatov, TRIZ Master (Level V) Director of IID & colleague/direct disciple of Genrich Altshuller, the father of TRIZ. Dr Kwatra is totally engrossed in what he calls 'evolving the technosphere using Nature's resources conservatively and tools of TRIZ abundantly'. His past awards and achievements include Leadership & Coordination Recognition Award, International Multidisciplinary Conference, Harvard University, 2010;  Director of workshop on industrial design, Icograda World Design Congress 2009 Beijing, theme: design about East Lake, Wuhan, event  was awarded’ Red Dot’. He has over 25 international publications and about 10 inventions to his credit. He has done projects in India, Russia, Europe, China and USA. In India, he has conducted workshops/institute colloquiums/lectures at IIT Delhi, IIT Kanpur, IIT Indore, BITS Pilani, etc. Dr Yuri Salamatov is presently serving as the Director of Institute of Innovative Design. He has vast experience of more than 32 years of TRIZ development and application. He is head of regional MA TRIZ branch - "OO TRIZ-Krasnoyarsk". He has more than 60 inventions to his credit and authored more than 60 books in the field of TRIZ.

• Foreword by Professor K Munshi.- Preface.- Laws of Technical Systems’ Evolution.- Origins of Convolution.- Idealization and Convolution: two sides of same coin?.- Four types of Convolution; Miniaturization embedded in 2nd type.- General scheme of TS evolution in history of technology.- Convolution and Trimming via Convolution.