found: Wikipedia, viewed 28 July 2020:under John Mercer, archaeologist (John Barry Mercer (1934 -July 1982) was a British archaeologist, author, weaver, and human rights advocate. Born in Las Palmas, Canary Islands, to British parents, he was educated in Spain and England. He was a committed human rights researcher and activist, particularly in the Western Sahara and Mauritania, contributing influential research reports to the Minority Rights Group and also the Anti-Slavery Society. Mercer's first books were for young people, Lizard Island Expedition and The Cormorant and the Stranger, drawing on his own experiences in the Balearics. He wrote an illustrated guidebook to the islands of Colonsay, Gigha and Jura and several books on the Canary Islands. An independent thinker with eclectic interests, he also wrote about, amongst other topics, hand-spinning, communes, and Scottish devolution.)