A highly detailed portrait of Albert Einstein, perfectly realistic

a highly detailed portrait of Albert Einstein, perfectly realistic, photorealistic, ultra-detailed, 8k, extremely realistic lighting, extremely detailed face and eyes, penetrating gaze, soft expressions, white curly hair, mustache, physicist, scientific genius, thoughtful, introspective, complex background, atmospheric lighting, dramatic shadows, warm color tones, masterpiece

NG_DeepNegative_V1_75T, EasyNegativeV2, extra fingers, fewer fingers, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, (worst quality, low quality:1.4), Negative2, (low quality, worst quality:1.4), (bad anatomy), (inaccurate limb:1.2), bad composition, inaccurate eyes, extra digit,fewer digits, (extra arms:1.2), (bad-artist:0.6), bad-image-v2-39000, blurred, brown skin, realistic,