Reginald Walter Hooley was a businessman and amateur paleontologist known for his significant contributions to the field of paleontology during the early 20th century. He gained prominence for his work on the Isle of Wight, a site rich in dinosaur fossils. Hooley's most notable achievement was the description of the dinosaur Iguanodon atherfieldensis, which has since been reclassified as Mantellisaurus. His meticulous observations and collections helped to enhance the understanding of dinosaur diversity and evolution in the region. Although primarily a businessman, Hooley's passion for paleontology led him to become a respected figure among his contemporaries. His findings contributed to the growing body of knowledge about prehistoric life, particularly in Britain. Hooley's legacy lies in his role in advancing paleontological research and inspiring future generations of scientists to explore the rich fossil record of the Isle of Wight and beyond.