found: Wikipedia, June 13, 2016(Stephen Nachmanovitch; Stephen Nachmanovitch is a musician, author, computer artist, and educator; he is an improvisational violinist, and writes and teaches about improvisation, creativity, and systems approaches in many fields of activity; born on November 2, 1950, Nachmanovitch studied at Harvard University and the University of California at Santa Cruz, where he earned a Ph. D. in the History of Consciousness for an exploration of William Blake; he has taught and lectured widely in the United States and abroad on creativity and the spiritual underpinnings of art; in the 1970s he was a pioneer in free improvisation on violin, viola and electric violin and opened up many techniques now used in electroacoustic music; he has presented master classes and workshops in improvisation at many conservatories and universities worldwide, including the Yehudi Menuhin School and Juilliard; he has had numerous appearances on radio, television, and at music and theater festivals; he has collaborated with other artists in media including music, dance, theater, and film, and has developed programs melding art, music, literature, and computer technology; he has published articles in a variety of fields since 1966, and is the author of Free Play: Improvisation in Life and Art (Penguin-Tarcher, 1990); much of his teaching beyond music and the arts relates to the universality of improvisation and creativity in all fields of life, and the accessibility of improvisational process to each person at each moment; in the 1980s and 1990s he created computer music software including The World Music Menu (first developed 1987, new versions through 2007), and the visual music software tools Zmusic (first presented at the Visual Music Alliance, Los Angeles, 1987) and Visual Music Tone Painter (first developed 1992, new versions through 2007))
