Prompt
Generate a realistic portrait of John A. Roebling, a 19th-century German-American civil engineer, standing in front of a suspension bridge, possibly the Brooklyn Bridge, with a subtle background of 19th-century New York City, wearing formal attire and holding a pair of wire ropes, symbolizing his contribution to wire rope suspension bridges, in a style reminiscent of 19th-century photography, with a focus on capturing his determined and innovative spirit.
