Kenneth Cox, from a family of writers, plant hunters, nurserymen and world experts on rhododendrons, runs the family horticultural business in Scotland. He has travelled extensively and led two expeditions to Yunnan, China, and five to Tibet in search of plants. Kenneth R. Storm, Jr. has explored Mexican gorges, the Colorado Plateau, the Green and Colorado Rivers, the western Himalayan region of Ladakh and has made five journeys to the Tsangpo gorges. Ian Baker has written extensively on the art and culture of Tibet and the Himalayas. He has made eight expeditions into the region of the Tsangpo Gorges following pilgrimage routes described in ancient Tibetan texts.