Walter Felsenstein was a theater and opera director. Felsenstein was born in Vienna and began his career at the Burgtheater in his birthcity and from 1923 to 1932 was a theater actor in Lübeck, Mannheim, and Bytom, where he first worked as a director. In Basel and Freiburg im Breisgau, he became closely acquainted with the contemporary concert hall. From 1932 to 1934 he worked as an opera director in Cologne, and from 1934 to 1936 at Frankfurt. Wikipedia
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