Anyone ever heard of physics author named "Hilary. D. Brewster"? http://mlbd.com/AuthorDecription.aspx?id=10950 Hilary D. Brewster Hilary. D. Brewster is a well known author of some best selling books on topics that prominently includes Relativity, Digital Electronics, Fluid Mechanics, Quantum Mechanics, Electrostatics, and Mathematical Physics, etc. He is well known for his writings on hyper-physics and applied physics books. Having equipped with the degree in Physics, his loads of experience is very valuable in the shaping of this book. On the different parts of the world, Prof. Hilary. D. Brewster taught applied physics. Prof. Hilary. D. Brewster, a graduate of Yale University, was teaching hyper-physics, he began his teaching career at the secondary level, teaching physics and chemistry to students at Wisconsin, an independent school in USA. In 2001, Professor Hilary. D. Brewster received his Ph.D., then he went on to teach introductory physics (in both majors and non-majors courses) and applied science at University of Pennsylvania, where he became a tenured professor. ================================================================== There is no professor at Penn named Hilary Brewster!