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Koch, Ludwig Karl (1881–1974), broadcaster and sound recordist, was born on 13 November 1881 at Eschersheimer Landstrasse 20, Frankfurt am Main, Germany, the second of the three children of Karl Theodor Koch, businessman, and his wife, Auguste Hess. Ludwig Koch's parents, both of whom were Jews, were enthusiastic music-lovers who introduced him into ...


Ludwig Karl Koch (1881–1974) by Fred Kormis, c. 1960 © reserved; unknown collection; photograph National Portrait Gallery, London