Prompt
Generate a realistic image of a distinguished British businessman and engineer, Sir John Parker, in a formal setting. He should be depicted as a mature man in his 70s or 80s, with a gentle and authoritative expression. He is wearing a suit and tie, with a subtle hint of a British flag or a symbol of engineering in the background. The style should be professional and dignified, reflecting his honors and titles, including Knight Bachelor and Order of the Garter.
