Mapmaker Diego Gutiérrez was named cosmographer in the Casa de la Contratación by royal appointment on October 22, 1554, after the death of his father Diego in January 1554, and worked on the Padrón General. In 1562 Diego Gutierrez, published a remarkable map entitled "Americae ... Descriptio" in Antwerp. The reason it was published in Antwerp instead of Spain was that the Spanish engravers did not have the necessary skill to print such a complicated document. Other cosmographers included Alonso de Chaves, Francisco Falero, Jerónimo de Chaves, Sancho Gutiérrez (Diego's brother).