The life story of John P. Allen, inventor of the largest laboratory for global ecology ever built and one of the most luminous minds of our time. Contained within a magnificently designed air-tight glass-and-steel-framed setting, Biosphere 2 covered three acres of Arizona desert and included models of seven biomes: an ocean with coral reef, marsh, rainforest, savannah, desert, farm and a micro-city. Eight people lived inside this structure for two...