Quirky old professor, thick rounded glasses, wild white hair, bushy eyebrows, wrinkled hands, holding a worn leather-bound book, standing in front of a cluttered wooden desk, surrounded by shelves overflowing with dusty tomes, vintage scientific equipment, and peculiar trinkets, warm cozy lighting, dimly lit study room, rich wood paneling, old-fashioned furniture, afternoon sunlight streaming through the window, subtle dust particles floating in the air.