Richard Wagner is one of the most controversial figures in Western cultural history. He revolutionized not only opera but the very concept of art, and his works and ideas have had an immeasurable impact on both the cultural and political landscapes of the late nineteenth and twentieth centuries. From 'absolute music' to 'Zurich' and from 'Theodor Adorno' to 'Hermann Zumpe', the vividly-written entries of The Cambridge Wagner Encyclopedia have been contributed by recognized authorities and cover a comprehensive range of topics. More than eighty scholars from around the world, representing disciplines from history and philosophy to film studies and medicine, provide fascinating insights into Wagner's life, career and influence. Multiple appendices include listings of Wagner's works, historic productions, recordings and addresses where he lived, to round out a volume that will be an essential and reliable resource for enthusiasts and academics alike.