Prompt
Generate a realistic portrait of Caleb Cushing, a 19th-century American politician, lawyer, and diplomat, sitting in a formal attire, possibly with a backdrop of a 19th-century study or office, reflecting his roles as a member of the United States House of Representatives, United States Senator, and U.S. Minister to China, with a serious and authoritative expression, wearing attire consistent with the mid-19th century, such as a suit and tie, and holding a document or a book, possibly related to the Treaty of Wanghia.
