A cartoon of a man sitting at a desk with a book

(a wealthy 65-year-old man, with salt-and-pepper hair, a prominent beard and mustache, a knowledgeable scholar). - (best quality,4k,8k,highres,masterpiece:1.2), ultra-detailed, (realistic,photorealistic,photo-realistic:1.37) - portraits, character study, mature gentleman, professor-like, sophisticated - rich, luxurious surroundings, opulent mansion, antique furniture, grand library - reading a book, holding a magnifying glass, wearing a classic suit, with cufflinks - wise and intelligent expression, deep concentration, furrowed brows - warm color palette, with earth tones, gold accents, and gentle lighting