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John Ericsson (born Johan Ericsson; July 31, 1803 – March 8, 1889) was a Swedish-American inventor. He was active in England and the United States.
(1803-07-31)July 31, 1803
|Died||March 8, 1889(1889-03-08) (aged 85)|
|Citizenship||Sweden; United States (1848–1889)|
|Occupation(s)||Engineer, inventor, innovator|
Ericsson collaborated on the design of the railroad steam locomotive Novelty, which competed in the Rainhill Trials on the Liverpool and Manchester Railway, which were won by inventor George Stephenson's (1781–1848), Rocket. In North America, he designed the United States Navy's first screw-propelled steam-frigate USS Princeton, in partnership with Captain (later Commodore) Robert F. Stockton (1795–1866), who unjustly blamed him for the fatal accident of that new vessel. A new partnership with Cornelius H. DeLamater (1821–1889), of the DeLamater Iron Works in New York City resulted in the first armoured ironclad warship equipped with a rotating gun turret, USS Monitor, which dramatically saved the U.S. (Union Navy) naval blockading squadron from destruction by an ironclad Confederate States naval vessel, CSS Virginia, at the famous Battle of Hampton Roads at the southern mouth of Chesapeake Bay (with the James River) in March 1862, during the American Civil War.