Full body 3D character of Charles Darwin, elderly Victorian gentleman. Distinctive physiognomy: balding head with white hair on the sides, massive bushy white beard and mustache, prominent brow ridge with bushy eyebrows, deep-set eyes, weathered skin texture. Historical clothing: wearing a heavy dark wool frock coat, buttoned waistcoat (vest), white high-collared shirt, black cravat, loose dark trousers, and black leather shoes. Realistic style, high fidelity, 4k textures, neutral lighting, A-pose.