About the authors

Jan F. Kreider is Professor Emeritus of Engineering and Founding Director of the Joint Center for Energy Management at the University of Colorado at Boulder. He received his
BSME (magna cum laude) from Case Institute of Technology and his postgraduate degrees from the University of Colorado. Dr. Kreider is the author of 12 engineering textbooks and more than 200 technical articles and reports; he has directed more than $5 million in building-energy-related research and development during the past decade. He is a Fellow of the ASME, an active member of a number of other technical societies, and a winner of both ASHRAE's E. K. Campbell Award for excellence in building systems education and the American Solar Energy Society's Hottel Award for outstanding service to solar energy science and education.  He is also the president of a consulting firm specializing in energy efficiency in the automotive and building sectors.


Ari Rabl was until his retirement in 2007 (obligatory in France at 65) Senior Scientist at the Centre Energétique et Procédés of the Ecole des Mines de Paris and continues as consultant for Ecole des Mines and others. He received a Ph.D. in physics from Berkeley in 1969, and has worked at Argonne National Laboratory and at the Solar Energy Research Institute (now National Renewable Energy Laboratory). From 1980 to 1989 he was Research Scientist and Lecturer at the Center for Energy and Environmental Studies of Princeton University. He has published well over a hundred peer reviewed journal articles and review papers, with a comparable number of conference presentations, and holds ten patents. Since 1992 he has been working on the calculation of environmental impacts and external costs of energy systems. He received the Frank Kreith Energy Award of the American Society of Mechanical Engineers.


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Peter Curtiss runs an engineering consulting business in Boulder. He received his BSCE from Princeton University and his postgraduate degrees from the University of
Colorado. He has written more than 40 technical journal articles on subjects
ranging from neural network modeling and control in buildings to solar radiation
measurements. He has worked at research institutes in Israel, Portugal, and
France as well as at a number of private engineering firms.