Prompt
Create a realistic portrait of John Edward Gray, a British biologist, specifically depicting him in a 19th-century setting, possibly surrounded by elements related to herpetology, malacology, or the British Museum, where he served as the Keeper of Zoology; he should be dressed in formal Victorian attire, reflecting his professional status and contributions to science, particularly showcasing his work in taxonomy and as a notable authority in the fields of zoology, dictionary compilation, and his significant publications.