The Opus Majus of Roger Bacon V1 - Paperbackby Robert Belle Burke (Author) The Opus Majus of Roger Bacon V1 is a book written by Robert Belle Burke that provides a complete translation and analysis of the Opus Majus, a major work by the medieval philosopher and scientist Roger Bacon. The Opus Majus is considered one of the most important works of medieval science and philosophy, and in this book, Burke offers a comprehensive exploration of its contents. The book is divided into several