Theremin - Wikipedia
2019-6-27 · The theremin was the product of Soviet government-sponsored research into proximity sensors.The instrument was invented by a young Russian physicist named Lev Sergeyevich Termen (known in the West as Léon Theremin) in October 1920 after the outbreak of the Russian Civil War.After a lengthy tour of Europe, during which time he demonstrated his invention to packed houses, Theremin …