Self-taught artists—variously termed folk, primitive, visionary, naïve, outsider, and isolate—have played a significant role in the history of modernism, yet their contributions have been largely disregarded or forgotten.

Organized by the National Gallery of Art (Washington, DC), this exhibition of 250 diverse works by more than 80 trained and untrained artists reveals how the mainstream art world has looked to artists without formal training for inspiration and innovation for more than 100 years.