Elegant professor, 30s-40s, bespectacled, short brown hair, neat beard, white dress shirt, black tie, formal black suit, leather belt, polished black shoes, classic watch, holding a book or folder, standing in a luxurious office, wooden desk, comfortable chair, floor-to-ceiling bookshelves, warm lighting, subtle wood texture, professional ambiance, shallow depth of field, realistic rendering, cinematic composition.