Marshall P. Cline, President of Paradigm Shift, Inc., has taught object-oriented programming, design and analysis to thousands of people in industrial and academic settings. Dr. Cline is well-known as the author of Frequently Asked Questions on C++, a critically acclaimed repository of C++ information distributed internationally on the Internet forum, comp.lang.c++. Greg A. Lomow has been working with object-oriented technology since 1981. Dr. Lomow's experience includes serving as system architect and project manager for the development of an object-oriented, distributed simulation kernel.