Theremin: Ether Music and Espionage - Albert Glinsky, Bob Moog - Google Books

http://books.google.de/books?id=6DHlQJcMpBQC&pg=PA37&lpg=PA37&dq=theremin+tv+nipkow&source=bl&ots=_UDkb63OjW&sig=hQy05ULDkrtyw0C

LEON THEREMIN led a life of flamboyant musical invention laced with daring electronic stealth. A creative genius and prolific inventor, Theremin launched the field of electronic music virtually singlehandedly in 1920 with the musical instrument that bears…