Sculptor and painter Heinz Mack was born in 1931 in Lollar, in the German state of Hesse. He lives in Mönchengladbach. In 1957, he co-founded the artist group ZERO with Otto Piene. In 1970, with Günther Uecker, Thomas Lenk and Georg Karl Pfahler, he re­presented Germany at the 35th Venice Biennale. In October, the survey ZERO: Countdown to Tomorrow, 1950s –60s, will open at the Solomon R. Guggenheim Museum, New York, before travelling to the Stedelijk Museum, Amsterdam, and Martin-Gropius-Bau in Berlin, Germany.