Prompt
Generate a realistic portrait of a mature man in his later years, sitting in a study or office with mathematical and computer science-related materials in the background, such as books, papers, and possibly a computer or calculator. The man, Martin Davis, should be depicted with a thoughtful expression, wearing glasses and formal attire suitable for a distinguished academic. Incorporate subtle hints of his achievements, such as awards or recognition on the walls or desk. The style should be photorealistic, capturing the essence of a renowned mathematician and computer scientist.
