Prompt
Generate a realistic portrait of Sir John Lubbock, 1st Baron Avebury, in a dignified Victorian-era style, seated in a comfortable armchair with a backdrop of books and scientific instruments, reflecting his diverse occupations as a banker, politician, biologist, archaeologist, and writer, with a thoughtful expression, dressed in formal attire, including a suit, tie, and a pair of glasses, conveying his intellectual and professional accomplishments.