Prompt
"Generate a realistic portrait of Alvin Roth, a middle-aged man with a gentle expression, sitting in a university office with books and papers around him, wearing a suit and tie, with a warm and approachable demeanor, conveying his expertise and influence in the field of economics, particularly in game theory, market design, and matching theory, which he is known for through his notable works such as kidney exchange, school choice mechanisms, and matching theory."
