(Chihuahua, Mexico, 1947). Known for his monumental sculptures in steel and concrete, he began the development of his sculptural language based on mathematics, geometry, topology and crystallography. His work is generated at the time when artistic tendencies such as minimalism, pop-art and op-art originated. His work has been exhibited in France, Italy, Germany, Spain, Japan, Israel and Brazil. His monumental urban work includes 200 plus works distributed throughout the world. His production also includes architectural design, painting, object design, furniture, public art, jewelry, theatrical costume design, sets and multimedia shows.