there is an exhibition at the moment at the Alan Cristea Gallery and is free, they have a very nice video interview which for some paranoic reason I can't up load here.. oh dear... but anyway, here is the link...
part of the exhibition "Minimalism and After IV" in berlin
Puddle Painting: Prime II
acrylic paint on aluminium
40 1/2 x 31 in / 103 x 79 cm