Russian inventor of the electronic musical instrument called the theremin, which consists of a box with two antennas coming out of it that you play by moving your hands closer and farther away from the antennas, its eerie sound has been used frequently in science fiction movies....much later it was discovered that Theremin was a pioneer in electronic research and development for espionage purposes and was the designer of the famous "bug" concealed in the Great Seal of the United States that hung in the US ambassador's office in Moscow for many years