Prompt
"Generate a realistic portrait of Charles Kuen Kao, a middle-aged man with a gentle smile, wearing a suit and tie, with a subtle background that hints at his connection to fiber optics, such as a faint image of fiber optic cables or a laboratory setting; incorporate elements that reflect his Asian heritage and British nationality; Charles Kao should be depicted in a dignified and introspective manner, conveying his status as a renowned engineer, physicist, and Nobel laureate, known as the 'Father of Fiber Optics'."