Geoffrey HewittProfessor Hewitt is an Emeritus Professor of Chemical Engineering at Imperial College London. Professor Hewitt has worked on a variety of subjects in the general field of chemical engineering but his speciality for several decades now has been in mutiphase flow systems, with particular reference to channel flow and heat transfer. He has published many papers and books in this industrially important area and has lectured on the subject widely throughout the world. He has had a wide experience of industrial application through extensive consultancy and contract work and through his founding of the Heat Transfer and Fluid Flow Service (HTFS) at Harwell and Hexxcell Ltd., a spin-out of Imperial College London operating in the area of heat transfer and energy efficiency. Professor Hewitt's contributions to the field have been recognised by his election to the Royal Academy of Engineering (1985), the Royal Society (1990), and the US National Academy of Engineering (1998) in addition to several international awards including Donald Q. Kern Award by AIChE (1981), Max Jakob Award by ASME (1995), and the Luikov Medal by ICHMT (1997). In 2007, he was presented the Global Energy Prize by Vladimir Putin at the World Economic Forum. Read More Read Less