Download or read book Hidden Harmonies written by Ellen Kaplan and published by Bloomsbury Publishing USA. This book was released on 2011-01-04 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Harvard mathematician authors of The Art of the Infinite present a history of the famous relation "A squared plus B squared equals C squared" that assesses its contributors from da Vinci to the Freemasons while analyzing its numerous proofs and applications.