Nicola Pisano ( also called NiccolÃ Pisano and Nicola de Apulia ) ( c. 1220\/1225 -- c. 1284 ) was an Italian sculptor who is best known for the works that he made for Pisa Cathedral . Nicola Pisano ( also called NiccolÃ Pisano , Nicola de Apulia or Nicola Pisanus ; c. 1220\/1225 -- c. 1284 ) was an Italian sculptor whose work is noted for its classical Roman sculptural style .