Editing Leon Theremin (section)

==Later life==

After his release from the ''sharashka'' in 1947, Theremin volunteered to remain working with the KGB until 1966.<ref name="galeyev LMJ6"/> By 1947 he had remarried, to Maria Guschina, his third wife, and they had two children: Lena and Natalia.<ref name="mattis1989"/>

Theremin worked at the [[Moscow Conservatory|Moscow Conservatory of Music]]<ref>[[#G|Glinsky p.&nbsp;341]], "where Lev Sergeyevich had constructed musical instruments"</ref> for 10 years where he taught, and built theremins, [[electric cello|electronic cellos]] and some [[terpsitone]]s (another invention of Theremin).<ref name="t"/> There he was discovered by [[Harold Schonberg]], the chief music critic of ''[[The New York Times]]'', who was visiting the Conservatory. But when an article by Schonberg appeared mentioning Theremin,<ref>{{cite news |first=Harold C. |last=Schonberg |title=Music: Leon Theremin; Inventor of Instrument Bearing His Name Is Interviewed in the Soviet Union |work=[[The New York Times]] |page=40 |date=April 26, 1967 |access-date=2009-08-16 |quote=Remember Leon Theremin, who used to play the theremin and was such a hit in the United States about 35 years back? |url=https://www.nytimes.com/1967/04/26/archives/music-leon-theremin-inventor-of-instrument-bearing-his-name-is.html?sq=Music%3A%2520Leon%2520Theremin&scp=1&st=cse   |format = non-free access}}</ref> the Conservatory's Managing Director declared that "electricity is not good for music; electricity is to be used for electrocution" and had his instruments removed from the Conservatory.<ref name="mattis1989"/> Further electronic music projects were banned, and Theremin was summarily dismissed.<ref>[[#G|Glinsky p.&nbsp;310]].</ref>

In the 1970s, Leon Theremin was a Professor of Physics at Moscow State University (Department of Acoustics) developing his inventions and supervising graduate students.

After 51 years in the Soviet Union, Theremin started traveling, first visiting France in June 1989<ref name="galeyev LMJ6"/> 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<ref name="galeyev LMJ6"/> before dying in [[Moscow]] on Wednesday 3 November 1993 at the age of 97.<ref>{{cite journal|last=Jolly|first=James|journal=[[Gramophone (magazine)|Gramophone Magazine]]|volume=71|issue=848|publisher=General Gramophone Publications Limited|location=Middlesex, UK|date=January 1994|page=17|title=Obituaries|issn=0017-310X}}</ref><ref>{{Cite news|url=https://www.nytimes.com/1993/11/09/obituaries/leon-theremin-musical-inventor-is-dead-at-97.html|title=Leon Theremin, Musical Inventor, Is Dead at 97|first=William|last=Grimes|work=The New York Times |date=November 9, 1993|access-date=August 9, 2019|via=NYTimes.com}}</ref><ref>{{Cite web|url=https://www.latimes.com/local/obituaries/la-xpm-2013-feb-06-la-me-paul-tanner-20130207-story.html|title=Paul Tanner dies at 95; trombonist with Glenn Miller Orchestra|date=February 6, 2013|website=Los Angeles Times|access-date=August 9, 2019}}</ref><ref>{{Cite web|url=https://www.britannica.com/biography/Leon-Theremin|title=Leon Theremin &#124; Russian scientist|website=Encyclopedia Britannica|access-date=August 9, 2019}}</ref><ref>{{Cite web|url=https://www.chron.com/entertainment/article/The-theremin-makes-a-triumphant-return-5932533.php|title=The theremin makes a triumphant return|date=December 3, 2014|website=Houston Chronicle|access-date=August 9, 2019}}</ref><ref>{{Cite book|url=https://books.google.com/books?id=4NOKDQAAQBAJ&q=Theremin&pg=PA268|title=Uncharted: Big Data as a Lens on Human Culture|first1=Erez|last1=Aiden|first2=Jean-Baptiste|last2=Michel|date=August 9, 2014|publisher=Penguin|isbn=9781594632907|access-date=August 9, 2019|via=Google Books}}</ref>