Andrew Tan H.H. from Morrison Knudsen Corporation and Timothy D’Orazio, currently head of the Civil Engineering program at San Francisco State University are the original authors of the book, entitled C Programming for Engineering and Computer Science, on which C Programming: A Q&A Approach is based. The new co-authors who developed C Programming: A Q&A Approach are Dr. Or Siu Hang and Dr. Marian Choy.

Or Siu Hang is the founder and Project Lead of the Computer Game Technology Center in the Department of Computer Science and Engineering at the Chinese University of Hong Kong. He received his PhD from the Chinese University of Hong Kong in 1998. He has over 19 years of teaching experience in programming courses aimed at first-year university students. His research interests include computer graphics, computer vision, multimedia and development of computer games. He is a member of the Institute of Electrical and Electronics Engineers (IEEE) and a member of the Association for Computing Machinery (ACM).

Marian Choy Ming Yan is a teaching consultant in the Faculty of Engineering at the University of Hong Kong. She has a passion for teaching and is eager to spend time enhancing teaching and learning activities. She obtained her undergraduate degree in computer engineering, followed by her PhD from the University of New South Wales, Australia. She has been in academia for more than 10 years and amongst her research interests are computers in education, adaptive technology and image processing.