Originally conceived as a public lecture, }Eureka{ is considered the culmination of Poe's work, offering an extensive treatise on creation, existence and the possible nature of the end of the world through comedy, wordplay and prose poetry Initially composed by Poe as a public lecture towards the end his career and considered by him the culmination of all his life’s work, Eureka is an extended treatise about the creation, existence and the ultimate end of the world.