They were made between 965 and 970 by local craftsmen, supervised by a master mosaicist from Constantinople, who was sent by the Byzantine Emperor to the Umayyad Caliph of Spain. (en.wikipedia.org)
Started a business, stressed out, went bankrupt... i have taught french classes, cooking, imported andsold jewelry from sout america... Now I teach martial arts, zen, and do mosaics, the latter strongly influenced by roman mosaicists, so I guess somehow the first influence of archaeology... (theabundantartist.com)
She points out that most people associate mosaics with representational art in churches, on ancient Roman floors, and in other public spaces created by tradesmen or craftsmen — a perception that she and other modern mosaicists delight in challenging. (torpedofactoryartists.com)