垂直：1956年1月

One of Heron's early non-figurative 'tachiste' (the French word for blot or mark) paintings in which the partial influence of contemporary American and French abstract styles is evident. For Heron dispensing with figurative imagery was a liberating experience, allowing him to 'deal more directly and inventively... with every single aspect of the painting that is purely pictorial, i.e. the architecture of the canvas, the spatial interrelation of each and every touch (and stroke, or bar) of colour... with a sense of freedom quite denied to me when I still had to keep half an eye on a 'subject' The painting covers an earlier, figurative work, traces of which can be discerned.