Ellsworth Kelly. Seaweed. 1949.
Ellsworth Kelly is an American painter, sculptor, and printmaker associated with hard-edge painting, Color Field painting and the minimalist school.
June Harwood Hard-Edge Painting Revisited: 1959 – 1969
Hard Edge Painting by Karl Benjamin 1958
Hard-edge painting - Wikipedia, the free encyclopedia
Hard-edge Painting #193 by Gary Andrew Clarke
How to Fix Mistakes in Watercolour - How To - Artists & Illustrators - Original art for sale direct from the artist
Ellsworth Kelly, High Yellow, 1960
Ben Nicholson (1894-1982) was an English artist whose austere geometric paintings and reliefs were among the most influential abstract works in British art.