Prompt
Create a realistic portrait of Ruth Barcan Marcus, a middle-aged to elderly woman with a thoughtful expression, sitting in a study or library with books and papers around her, wearing attire typical of a professional academic in the mid to late 20th century. Incorporate subtle hints of her work in logic and philosophy, such as a chalkboard or a book with a logical formula in the background. Capture her as a confident and intellectual figure, reflecting her achievements as a philosopher, logician, and influential figure in American philosophy.
