Oliver Sparrow was born in the Bahamas, raised in Africa and educated at Oxford to post-doctorate level, as a biologist with a strong line in computer science. He spent the majority of his working life with Shell, the oil company, which took him into the Peruvian jungle for the first time. He was a director at the Royal Institute for International Affairs, Chatham House for five years. He has started numerous companies, one of them in Peru, which mines for gold. This organisation funded a program of photographing the more accessible parts of Peru, and the results can be seen at
http://www.all-peru.info. Oliver is the author of Dark Sun, Bright Moon. He knows modern Peru very well, and has visited all of the physical sites that are described in the book.