Hartley manages to fill the field of his canvases evenly, yet they seem tied to a kind of depiction of crosses, checkerboards and even actual numbers.

WSJ: The Concrete Challenges of Abstraction | Inventing Abstraction | By Tom L. Freudenheim

Sean Scully, an Irish-born painter who does large geometric abstract oils that look a little like checkerboards, has complained that Saatchi pumped and then dumped his work in the 1980s.

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