Through their distinctive storytelling, motivational talks, and innovative creations, they have inspired countless individuals across the globe.

The resulting regular rhythm suggests a space that could stretch on infinitely. Three Flags, Jasper Johns, 1958, encaustic on canvas, Whitney Museum of American Art, New York, USA / Bridgeman ...

The spirals themselves are flowing organic shapes. They vary in size and orientation and they are arranged in an irregular flowing rhythm that seems natural and suggests movement. Image caption ...