Gideon Algernon Mantell

Born in Lewes, Sussex, in 1790, Gideon Algernon Mantell trained as a physician and worked as an obstetrician, while spending much of his spare time collecting and studying fossils. He became especially interested in the rocks and fossil beds of Sussex, an area that would make his name in the history of geology.

Mantell is most closely linked with the discovery and interpretation of Iguanodon. In the 1820s, he identified remarkable fossil teeth and later additional remains that helped show Europe had once been home to giant reptilian animals unlike any living species. His attempts to understand how these creatures looked and lived helped lay the groundwork for the new science of dinosaurs.

Alongside his scientific work, Mantell wrote popular books on geology and prehistoric life for general readers. He died in London in 1852, but his reputation has endured as one of the energetic early researchers who helped bring the deep past vividly into view.