Prompt
Generate a realistic image of Robert Hazen, a middle-aged American geologist and author, standing in a natural setting with a subtle background that reflects his work in mineralogy and geochemistry, wearing attire suitable for a professor, with a gentle and thoughtful expression, holding a book or a mineral specimen, symbolizing his contributions to science communication and his notable works such as "The Story of Earth" and "Genesis: The Scientific Quest for Life's Origin".
