Prompt
Generate a realistic image of a late 19th-century American mathematician: a middle-aged man with a beard, wearing formal attire, sitting at a desk with mathematical papers and a pen, in a study with bookshelves in the background, reminiscent of the era; the man should resemble a professor from that time period, specifically someone who worked at Worcester Polytechnic Institute and graduated from Dartmouth College, reflecting a sense of intellectualism and authority, suitable for a mathematician known for the Conant Prize and author of "The Number Concept: Its Origin and Development".
