Delano Lopez has taught the History and Methods of Science to university students, and has taught numerous subjects to the target age group of this book. Mr. Lopez is a member of the American Historical Association, and has published articles on a wide variety of subjects, including the history of science. Shawn Braley is an award-winning illustrator. He attended the Joe Kubert School of Cartoon and Graphic Art, Inc. He specializes in cartoon and editorial illustration. Braley is also a world traveler, musician, cat owner, and comic art collector. He lives in Southern Vermont.