Wayne CottrellWayne D. Cottrell, Ph.D. is a music charts historian. The book is one in a series, with each covering a full or half-decade of the top singles and albums in multiple music genres, in those for which charts were available. Wayne is an engineer and engneering educator, and has written recreational guidebooks on bicycling, research articles in academic journals, and engineering reports. The music books are the first of their kind, in that music charts from several different sources are used to develop the ranked lists. The scoring method, which involves a wee bit of mathematics, was developed by the author. Read More Read Less