The Map of KnowledgeBy: Violet Moller 'Violet Moller brings to life the ways in which knowledge reached us from antiquity to the present day in a book that is as delightful as it is readable.' Peter Frankopan, author of The Silk Roads In The Map of Knowledge Violet Moller traces the journey taken by the ideas of three of the greatest scientists of antiquity Euclid, Galen and Ptolemy through seven cities and over a thousand years. In it, we follow them from sixth century