Scope and Contents Wikipedia: hanna Horwitz (nee Channa Helene Shapiro, May 21, 1932 -- April 29, 2013) was a contemporary artist based in Los Angeles, United States.[1] She is recognized for the logically-derived compositions created over her five decade career. Her visually complex, systematic works are generally structured around linear progressions using the number eight.n 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 eight beams moving vertically out of sculptural bases over ten 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 catalogue, 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...