Andy Warhol was a pioneering American artist and leading figure in the Pop Art movement. Known for his iconic depictions of consumer culture, celebrities, and everyday objects, Warhol's works such as the Campbell's Soup Cans and Marilyn Monroe series challenged traditional boundaries of art. His innovative use of mass production techniques and vibrant visuals left a lasting impact on contemporary art, making him one of the most influential artists of the 20th century.