Russian physicist and engineer Lev Sergeyevich Termen—who later came to be widely known as Léon Theremin—invented his namesake instrument around 1920. Here, he's pictured in 1928. Library of Congress ...
Invented by accident in the 1920s, the unusual electronic instrument is hard to master but offers an enticing reward: freedom. Invented by accident in the 1920s, the unusual electronic instrument is ...
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