Stephen Hawking

(masterpiece), (best quality), (realistic style), portrait of (Stephen Hawking:1.5), seated in his iconic wheelchair, intricately detailed with (high-tech features:1.2), expression of deep contemplation, (piercing blue eyes:1.3), cosmic backdrop with swirling galaxies and stars, soft yet dramatic lighting, gentle shadows highlighting facial features and wheelchair contours, subtle integration of equations and black holes, mood of wonder and inspiration, emphasis on textures in clothing and sleekness of technology.

low quality, unrealistic, cartoonish, blurred, overly simplistic, harsh lighting, exaggerated expressions, empty background, lack of detail, absence of cosmic elements, no equations or black holes, flat textures, absence of technological details.