Prompt
Generate a realistic image of a middle-aged American physician and author, William H. Thomas, in a professional setting, possibly surrounded by elements that reflect his work in elder care, such as a nursing home or a book. He should be dressed in attire suitable for a medical professional, and his expression should convey a sense of compassion and expertise. Incorporate subtle hints at his notable works, such as "The Eden Alternative" or "The Green House Project", in the background. The style should be formal and realistic, suitable for a portrait of a respected medical professional and author.