elderly male professor, white hair, round glasses, tweed jacket, elbow patches, holding books, garlic necklace, standing in a vintage classroom, chalkboard, wooden desks, dim lighting, side profile, detailed texture, realistic, 3/4 view, ambient light, soft shadows, academic atmosphere, focused expression, leather shoes, corduroy pants, wristwatch, teaching gesture, high ceiling, bookshelves, antique globe, green plants.