This Wikipedia entry details the life and career of Piet Mondrian, a foundational figure in twentieth-century abstract art. The text tracks his stylistic transition from Dutch landscape painting to his development of Neoplasticism, a non-representational philosophy utilizing primary colors and geometric grids. It highlights his involvement in the De Stijl movement and his personal dedication to theosophical spirituality, which informed his search for universal beauty. Beyond his artistic theories, the source describes his residency in Paris, London, and New York, as well as his eccentric personality and love for jazz dancing. Finally, it examines his global legacy, ranging from high-value auction sales to his pervasive influence on modern fashion and design.