James Lovelock
James Lovelock is the originator of the Gaia hypothesis (now Gaia theory). His many books on the subject include Gaia: A New Look at Life on Earth, The Revenge of Gaia, The Vanishing Face of Gaia, and A Rough Ride to the Future. The author of more than 200 scientific papers, he was elected a Fellow of the Royal Society in 1974.