Biography
Channa Horwitz (1932-2013) was born in Los Angeles, where she lived and worked. Known for her tightly controlled approach to geometric abstraction, Horwitz devised a conceptual system for drawing called Sonakinatography in which abstract elements (initially sound, motion, and position) are tracked through stepwise transformations and represented graphically on eight-to-the-inch square grids. In each, the numbers one through eight are represented graphically by color or symbol and plotted according to an initiating set of rules that ultimately created her compositions. Sequencing, seriality, and iteration are all key dynamics in her work.

Over time, new series spawned from existing ones like the branching of an evolutionary tree. With each alteration of the starting variables in the system, a new body of work arose. Horwitz built her visual systems with an exacting rigor, yet was consistently guided by an openness to new possibilities embedded within her existing architectures.

In the final years of her life, her extensive practice gained long overdue recognition for its contributions to the development of conceptual art and process-based abstraction. She showed at the 55th Venice Biennale, the Hammer Museum’s Made in L.A. Biennial, and the New Museum, and she was awarded a Guggenheim Fellowship Grant in 2013. In the years that followed, her works were included in the 2014 Whitney Biennial as well as in major group exhibitions at LACMA, MOCA Los Angeles, and the Museum of Modern Art, New York. Horwitz’s work is now held in numerous public collections across the U.S. and internationally.

More recently, Horwitz’s work was presented in solo exhibitions at the He Museum, Foshan, China; Museo de Arte Contemporáneo de Castilla y León, León, Spain; and the Contemporary Art Gallery, Vancouver, Canada. Recent prominent group exhibitions include LACMA, the 2023 Seoul Mediacity Biennale, Staatlich Museum, Hamburger Kunsthalle, the Morgan Library, Fundació Joan Miró and the Whitney Museum of American Art.
Works
  • Channa Horwitz, Language Series 1 of 8, 2004-2005
    Language Series 1 of 8, 2004-2005
  • Channa Horwitz, Sonakinatography Composition Number Three Variation Three, 1996
    Sonakinatography Composition Number Three Variation Three, 1996
  • Channa Horwitz, Sonakinatography Comp #17, 1987-2004
    Sonakinatography Comp #17, 1987-2004
  • Channa Horwitz, Canon, 1987
    Canon, 1987
  • Channa Horwitz, 8 Sets of Moires (Rhythm of Lines Sampler), 1987
    8 Sets of Moires (Rhythm of Lines Sampler), 1987
  • Channa Horwitz, Rhythm of Lines 3-7, 1987
    Rhythm of Lines 3-7, 1987
  • Channa Horwitz, Cube Inside the Ball (or Ball Inside the Cube), 1986
    Cube Inside the Ball (or Ball Inside the Cube), 1986
  • Channa Horwitz, Square Moiré (in two sections), 1985
    Square Moiré (in two sections), 1985
  • Channa Horwitz, Noisy, 1985
    Noisy, 1985
  • Channa Horwitz, 8th Level Discovered, 1982
    8th Level Discovered, 1982
  • Channa Horwitz, Canon #8 , 1982
    Canon #8 , 1982
  • Channa Horwitz, 8 Shapes Explanation for Flowing and Numbers, 1980
    8 Shapes Explanation for Flowing and Numbers, 1980
  • Channa Horwitz, Round in Three Parts, 1977
    Round in Three Parts, 1977
  • Channa Horwitz, Variation and Inversion on a Rhythm IV, 1976
    Variation and Inversion on a Rhythm IV, 1976
  • Channa Horwitz, Sonakinatography I, Movement #II, Sheet C, 2nd Variation, 1969
    Sonakinatography I, Movement #II, Sheet C, 2nd Variation, 1969
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