Heinz Mack is a German artist who, together with Otto Piene, founded the group ZERO in 1957 in Düsseldorf. He earned recognition with his participation at the Documenta II (1959) and Documenta III (1966), and his representation of The Federal Republic of Germany at the XXXVth Venice Biennale in 1970. In the same year he was invited to Osaka (Japan) as a visiting professor. He also became a full member of the Berlin Academy of Arts, to which he belonged until 1992.
Besides ZERO, he was a member of the art movements Op Art, Kinetic Art and Light Art. His main theme is light. Among his exceptionally diverse works are sculptures made of different materials such as light-stelae, light-rotors, light-reliefs and light-cubes. His oeuvre also involves paintings, drawings, India ink, pastels, graphics, photography and bibliophilic works. Another important aspect of Mack’s work is the design of public spaces, church interiors, stage settings and mosaics.
Throughout his career, his artworks were shown in nearly 300 solo exhibitions and numerous other group exhibitions. Mack's works are found in 136 public collections and numerous books and two films are dedicated to document his work.
Works by the ZERO group and especially Heinz Mack has been rising in value in the art market. An aluminium relief on wood work "Kabala" by Heinz Mack sold for 245,000 GBP, about four times its price estimate at Sotheby's in February 2015. An oil painting by him, "For Picabia" was sold, again in Sotheby's, about three times its price estimate, for 605,000 USD in 2014.