After 51 years in the Soviet Union Theremin started travelling, first visiting France in June 1989[4] and then the United States in 1991, each time accompanied by his daughter Natalia. Theremin was brought to New York by filmmaker Steven M. Martin where he was reunited with Clara Rockmore. He also made a demonstration concert at the Royal Conservatory of The Hague in early 1993[4] before dying in Moscow in 1993 at the age of 97.[34]