William H ClarkWH Clark is a licensed Professional Engineer (inactive status) and author of the McGraw-Hill classics, Retrofitting for Energy Conservation, and Electrical Design Guide for Commercial Buildings. He's an alumnus of the U.S. Naval Academy and a 100% diabled veteran. He has a BS in mechanical engineering, an MSE in aerospace engineering, and almost a Ph.D. in mathematical physics, all from the University of Texas at Austin. Read More Read Less