Nearly 50 years of Dawn MacNutt’s “peculiar perception” in artists’ first retrospective show “In those trancelike moments, I wondered at the personal nature of perception,” writes Nova Scotian artist, Dawn MacNutt, on being transfixed as a child by the light streaming through her grandmother’s coloured stained glass windows, in a new memoir and exhibition catalogue, Timeless Forms. Her book coincides with the artist's sprawling retrospective show by the same name, which opens at the Mount Saint Vincent University Art Gallery on Saturday, Jan 18 and runs until Apr 12…