ADRIAN BEJAN, PhD, is the J. A. Jones Professor of Mechanical Engineering at Duke University. An internationally recognized authority on heat transfer and thermodynamics, Bejan has pioneered the methods of entropy generation minimization, scale analysis, heatlines and masslines, intersection of asymptotes, dendritic architectures, and constructal theory. He is the recipient of numerous awards, including the Max Jakob Memorial Award (ASME & AICHE), the Worcester Reed Warner Medal (ASME), and the Ralph Coats Roe Award (ASEE). He is the author of fifteen books and 400 journal articles, and is listed among the 100 most-cited engineering researchers (all disciplines, all countries). He has been awarded fourteen honorary doctorates by universities in ten foreign countries.