Selected works: click on an image to see a bigger version.
Triangulation 1960 oil on canvas, 28in x 21in, artist's collection
Five Rows of Seven Squares in Cinematic Rotation 1960 Tempera on paper, 10in x 14in, British Museum
Intersecting Rhythms No1 1962 Oil on duck, 61cm x 76cm, private collection
Xanten/Alternating Gestalt 1964/1989 Oil on flax, 35in x 20in, artist's collection
Diminuendo 1962 Oil on board, 24in x 36in, private collection
Duologue 1966 Oil on duck, 35in x 40in, private collection
Perpetuum Mobile 1963 Gouache on paper, 24in x 16in, private collection
Aludel 1966 Oil on duck, 60in x 40in, Soto Foundation, Venezuela
Unterhaltung 1964 Screenprint, 68in x 68in
Sub Rosa 1966 Oil on duck, 48in x 36in, Christian Larsen collection
Solar Wind 1967-9 Oil on duck, 38in x 95in, Galerie Hoffmann, Friedburg (loan)
Medusa 1969 Oil on duck, 36in x 48in, private collection
Ricercar 1969 Oil on duck, 65in x 68in, Southampton art gallery
Peccavi 1969 Oil on duck, 54in x 81in, Galerie Hoffmann, Friedburg (loan)
Drawing from Syntagma series Sg I (1971-72) Ink on paper, 25in x 25in
(As above)
Sg III 159 1977 Red ink on card, 20cm x 20cm, Jablonka gallery, Germany
Sg II 8 1976 Screenprint on card, 60cm x 60cm
Sg II 4 1973 Oil on linen, 40cm x 40cm, Peter C Ruppert collection, Würzburg
Sg IV 23 1980 Screenprint, 68cm x 68cm
Sg V 5 1968 Tempera on paper, 20in x 30in, private collection, destroyed in fire 2008
Sine Wave Composition 1972 Oil on linen, 21.75cm x 21.75cm, private collection
Sg III 104 1992 Oil on linen, 24in x 24in, artist's collection
First Set of Four Chromatic Oppositions in a System of Rotation 1974 Oil on linen, 50in x 50in, artist's collection
Sg IV 64 Contrary Motion 1989 Oil on flax, 24in x 24in, Chelm museum, Poland
Sg V 2 1977 Screenprint on card, 60cm x 60cm
Topological Schema for "Solar Wind" 1972 Ink on paper, 25in x 25in, artist's collection
Chirality Study Sg III 45 1985 Acrylic on paper, 40cm x 40cm
Sg IV 111 2004 Watercolour and tempera on paper, 12in x 16in, private collection
Sg IV 1-8 1975 Screenprint on card, 20cm x 20cm
Fifth and Sixth Composite Syntagmas (Eight Rhythm Studies on Two Canvases) 1991 Pencil and oil on linen, 48in x 48in each, artist's collection
First Rhythm Study 1989 Tempera and pencil on paper, 64cm x 86cm, private collection
Sg III 124 1976 Screenprint on card, 40cm x 40cm
Sg IV 14 1977 Oil on linen, 100cm x 100cm, artist's collection
Structural Metamorphosis of a Theme by Kenneth Martin No 2 1971 Ink on paper, 25in x 25in, artist's collection
Quincunx No1 1975 Oil on linen, 18in x 18in, private collection