"Channa Horwitz (née Channa Helene Shapiro, May 21, 1932–April 29, 2013) was a contemporary artist based in Los Angeles, CA. She is recognized for the logically-derived compositions created over her 5 decade career. Her visually complex, systematic works are generally structured around linear progressions using the number eight. ... born in Boyle Heights, Los Angeles; her father was an electrician and inventor. She studied at Art Center School of Design 1950-52. As a married mother of 2 she studied fine art at California State University Northridge 1960-63. She had a third child before earning a BFA in 1972 from CalArts. She married her second husband, Jim Horwitz, in 1973. The Art and Technology exhibition and Sonakinatography In 1968, Horwitz (then Channa Davis) submitted a proposal to the seminal Art and Technology Program at the Los Angeles County Museum of Art. The proposed sculpture consisted of 8 beams moving vertically, magnetically suspended, over 10 minutes of time, corresponding to a choreography of colored lights. Although the sculpture was never fabricated, Horwitz's proposal was included in the 1970 program catalog, whose cover prominently displayed the faces of the white male artists whose works appeared in the culminating exhibition at the Museum. Art and Technology's glaring omission of women—specifically the fact that Horwitz was never asked to speak with industry about the possibility of making her sculpture led to a public outcry in the feminist art community in Los Angeles, involving confrontations and eventual concessions from the curator Maurice Tuchman. Not long after submitting the Art and Technology proposal, Horwitz continued her interest in representing motion across time. She asked her then-husband for a break from a tennis match to spend 2 hours drawing, and during this period invented a a system of composition called Sonakinatography meaning sound - motion - notation. Sonakinatography... https://en.wikipedia.org/wiki/Channa_Horwitz undefined

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