Prompt
"Generate a realistic image of a middle-aged American man with a friendly and approachable demeanor, sitting in a modern office with a computer screen and papers in the background, wearing a pair of glasses and a slight smile. He has short, graying hair and is dressed in a casual yet professional outfit. The image should convey a sense of intelligence, creativity, and authority, reflecting his profession as a renowned computer scientist and professor at MIT. Incorporate subtle hints of his work in data science, artificial intelligence, and social physics, such as a few wearable devices or a mobile phone nearby."