Dutch artist, born in Delft. Studied at the Academy in The Hague 1932-6. Has been employed since 1946 as a civil servant in the post office. His early works Klee-like watercolours and pen and ink drawings. In the 1950s began to make drawings and paintings of a tachiste character, followed from 1957 by reliefs in papier-mâché, at first coloured and with an organic, irregular structure. A member of the Dutch 'informel' group 1957-60, then of the Nul group with Armando, Henderikse and Peeters 1960-5; also collaborated from 1960 in the German Zero group. Began in 1960 to make white reliefs of a geometrical structure and to work in series. First one-man exhibition at the Galerie Wulfengasse, Klagenfurt, 1965. Awarded Second Prize at the 1967 São Paulo Bienal. Lives in Delft.
Ronald Alley, Catalogue of the Tate Gallery's Collection of Modern Art other than Works by British Artists, Tate Gallery and Sotheby Parke-Bernet, London 1981, p.674