Watch this video interview of the Canadian abstract painter Dorothea Rockburne (1932– ), where she discusses her art, mathematics, magic, and the materials she uses. She was part of an artistic movement called Minimalism.
Source: Khan Academy, https://www.khanacademy.org/humanities/art-1010/post-war-american-art/minimalism-and-earthworks/v/rockburne-drawing
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