Prompt
                                        
                                            Generate a realistic portrait image of Prescott Sheldon Bush, a middle-aged man with a dignified expression, wearing a suit and tie, likely in a formal setting. He should be depicted with a slight smile, conveying a sense of confidence and authority. The image should reflect his personality as a prominent banker, politician, and member of the influential Bush family, specifically during his time as a United States Senator from Connecticut in the 1950s and 1960s. The style should be that of a classic, formal portrait, reminiscent of photographs from the mid-20th century.