early life and career décio vieira de morais, known as décio vieira, was a brazilian concrete artist born in são paulo in 1916. he was one of the pioneers of concrete art in brazil, alongside other notable artists such as waldemar cordeiro, lothar charoux, and luiz sacilotto. vieira's work is characterized by its geometric shapes, clean lines, and vibrant colors, reflecting his interest in mathematics and the natural world. artistic style and influences vieira was influenced by the brazilian modernist movement and the european avant-garde, particularly the work of theo van doesburg and the de…