The American artist known for his contributions to the Pop Art movement is Andy Warhol. Emerging in the 1960s, Warhol's work challenged traditional notions of art by incorporating commercial imagery and mass production techniques, famously featuring subjects like Campbell's Soup cans and Marilyn Monroe. His use of silkscreen printing allowed for the replication of images, blurring the lines between high art and consumer culture. Warhol's innovative approach not only transformed the visual arts but also had a lasting impact on the perception of art in the contemporary world, making him a pivotal figure in modern art history.