Behind the Angel of HistoryThe story of artist R. H. Quaytmans discovery of an engraving hidden behind a famous artwork by Paul Klee. This book begins with artist R. H. Quaytman uncovering something startling about a picture by Paul Klee. Pasted beneath Klees 1920 Angelus Novusfamous for its role in the writings of its first owner, Walter BenjaminQuaytman found that Klee had interleaved a nineteenth century engraving of Martin Luther, leaving just enough visible to provoke