Antoine Pevsner (18 January 1886 ?C 12 April 1962) was a Belarusian and Russian sculptor and the older brother of Alexii Pevsner and Naum Gabo. Both Antoine and Naum are considered pioneers of twentieth-century sculpture. Pevsner was born in Klimavichy, Belarus. Among the originators of and having coined the term, Constructivism, and pioneers of Kinetic Art, they discovered a new use for metals and welding and made a new marriage of art and mathematics.