Prompt
Create a realistic portrait of Donald A. Glaser, a middle-aged American physicist and neurobiologist, in a setting that reflects his profession, such as a laboratory or a university office. He should be depicted with a thoughtful expression, wearing attire typical of the mid-20th century, including a suit and tie, and possibly holding a small model of a bubble chamber or surrounded by scientific equipment. Incorporate subtle background elements that hint at his achievements, such as a Nobel Prize medal or a photo of the bubble chamber. The style should be photorealistic, capturing the essence of a man who contributed significantly to physics and neurobiology.