Which 20th century American painter became famous by dripping or pouring swirls and spatterings of paint on a canvas?

The American painter who revolutionized art in the mid-20th century by applying paint through dripping and pouring rather than traditional brushwork was Jackson Pollock. His distinctive method involved laying large canvases on the floor and moving around them, allowing paint to fall directly from cans or sticks, creating intricate webs and energetic splatters. This departure from conventional easel painting marked a significant shift in artistic practice, emphasizing the physical act of creation itself.

Pollock's innovative technique became synonymous with "action painting," a term coined to describe his dynamic and often athletic approach to art-making. He eschewed traditional composition, instead allowing the flow and gravity of paint to dictate the final image, resulting in highly expressive and non-representational works. This radical process challenged existing notions of what painting could be, pushing the boundaries of abstraction and inviting viewers to experience art in a new, visceral way.

His work, often characterized by its monumental scale and all-over compositions, placed him at the forefront of the Abstract Expressionist movement. Pollock's unique style garnered both fame and controversy, solidifying his legacy as a pivotal figure in modern art and profoundly influencing subsequent generations of artists. His daring exploration of material and process continues to fascinate and inspire, making his name instantly recognizable in the annals of 20th-century American art.