John P. O'Connell is a Professor of Chemical Engineering at the University of Virginia. He has over 30 years experience in teaching, research, and consulting in thermodynamics, statistical mechanics, and related areas. J. M. Haile is currently publisher, editor, writer, designer, and composer-in-residence at Macatea Productions. He has twenty-four years of university teaching experience in thermodynamics, statistical mechanics, numerical methods and technical communications. He has held visiting research positions at the US Military Academy (West Point, NY), University of Guelph (Ontario), Chalk River National Labs (Ontario), Cornell University, Ruhr University (Bochum, Germany) and Colorado School of Mines. He is a recipient of a Presidential Young Investigator Award from the National Science Foundation (1984) and the Corcoran Award (1998) from the Chemical Engineering Division of the American Society for Engineering Education. He is the former North American editor of the international journal Molecular Simulation, published by Gordon and Breach, London, and is the author of Molecular Dynamics Simulation (Wiley), Lectures in Thermodynamics (Macatea), Technical Style (Macatea), Analysis of Data (Macatea), and The Way of the Teacher (Macatea). He holds a BS in Chemical Engineering from Vanderbilt University and a PhD in Chemical Engineering from the University of Florida.