Why was Gideon Mantell famous?

Gideon Mantell was famous for his pioneering work in Paleontology in the early 19th century, particularly for discovering and naming the first dinosaur, Iguanodon, in 1825. His findings contributed significantly to the understanding of prehistoric life and helped establish the field of paleontology. Mantell's work also included the discovery of various other fossilized remains and the study of prehistoric plants. His contributions laid important groundwork for future paleontological research.