An artist from this country painted a mustachioed man spinning a wheel to sharpen the title object to illustrate the “principle of glittering.” In another painting from this country, a disembodied hand points to the right above a coffee cup and the text “T. 402,” while wheels kick up billowing dust clouds. The painters of The Knife Grinder and Cyclist were part of radical groups in this country called Hylea and Donkey’s Tail, (10[1])both (10[1])inspired (10[1])by its earlier Jack of Diamonds group. An artist from this country painted a square with thin borders offset at a slight angle against a white (10[1])background in White on White, which is often contrasted with his work Black Square. For 10 points, what non-Italian country was home to many Suprematist and Cubo-Futurist painters, including Kazimir Malevich? ■END■ (10[1])