Guido Molinari is famous for his vertical band paintings. This one, dated 1968, is from a series that occupied him during the sixties. What is less known is what prompted him to adopt this vertical format, the complete elimination of the horizontal, and the absence of any suggestion of depth...

Yves Gaucher's “grey on grey” paintings have been described as 'one of the stellar achievements of Canadian painting (or international painting, for that matter).' Reviewing an exhibition of three grey on grey canvases at the 1968 Edinburgh Festival, British curator and art critic Bryan Robertson described them as 'possibly the...