Prompt
Create a realistic photograph of Robert Mundell, a renowned Canadian economist, sitting in a professional setting, possibly in front of a bookshelf or a university backdrop, with a thoughtful expression, wearing a suit and tie, at the age of around 60-70, reflecting his contributions to macroeconomics and international economics, particularly his work on the Mundell-Fleming model and the theory of optimum currency areas, for which he was awarded the Nobel Prize in Economics in 1999.