Where would humanity be without fire, farming, or wine? A great idea changes the path of human civilization. But which is the greatest of them all? In The World's Greatest Idea, John Farndon has set out to find the answer with help from a panel of experts in the fields of science, the arts, and philosophy. A shortlist of fifty ideas are ranked in the book according to public vote on TheWorldsGreatestIdea.com. But will you agree with the verdict? John Farndonis the author of numerous books including the highly successful Do You Think You're Clever?(Totem Books).