"Foreboding", Dickerson Gallery, Melbourne and Sydney, 2004

"Colour Blind", Patrizia Autore Gallery, Melbourne, 2001

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“Walker has utilized unique colouration techniques and idiosyncratic framing to create a world of mystery and hidden threat; a sense of voyeurism; the feeling that the viewer has just missed playing witness in some bizarre event, or that such an event is about to occur. This sense of mystery, explored cinematically in such thrillers as Antonioni's classic Blow Up, transforms the Australian bush and European countryside into a colour saturated set for events untold. A world of shadows and impending drama" - Patrizia Aurore Gallery, 2001

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