Honoring the Life and Art of a Pioneer of American Abstraction
1920s – The Beginning
1930s – Towards the Abstract
1940s – The Work Gains Attention
1950s – A Classic Abstractionist Painter
1960s – Geometric Abstract Art
1970s – Drastic Changes
1980s – Rediscovered as a Pioneer
1990s – Still Going Strong
2000s – Final Years
