Leon Theremin | |
|---|---|
 Lev Termen demonstrating the theremin, December 1927 | |
| Born | Lev Sergeyevich Termen 27 August 1896 Saint Petersburg, Russian Empire |
| Died | 3 November 1993 (aged 97) Moscow, Russia |
| Occupation(s) | Engineer, physicist |
| Known for | Theremin, The Thing |
Lev Sergeyevich Termen[a] (27 August [O.S. 15 August] 1896 – 3 November 1993), better known as Leon Theremin was a Russian inventor, most famous for his invention of the theremin, one of the first electronic musical instruments and the first to be mass-produced. He also worked on early television research. His secret listening device, "The Thing", hung for seven years in plain view in the United States ambassador's Moscow office and enabled Soviet agents to eavesdrop on secret conversations.
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