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About the Author

Robert Kapernick was responsible for the discipline of system engineering at a major government laboratory before retiring. System engineering is a discipline that uses top-down functional analyses to define system interfaces. After retiring, Robert studied Spanish in Mexico and Guatemala. Robert has applied the discipline of system engineer to the Spanish language since returning to this country. This book is a result of that analysis. Robert has master’s degrees in engineering and management.


Thelma Witt González was born and educated in Mexico where she was licensed in communications. She worked as a reporter and editor in a major newspaper in Guadalajara, and was a professor and a director at the University Autonoma of Guadalajara before coming to this country. Thelma ensured consistency of the Spanish examples used in the book with current practice in Latin America. She has a master’s degree in Education, Curriculum and Instruction, and is licensed to teach Spanish at the secondary level.