John Ericsson
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.

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 , in partnership with Captain (later Commodore) Robert F. Stockton (1795-1866), who unjustly blamed him for a fatal accident. 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, , which dramatically saved the U.S. (Union Navy) naval blockading squadron from destruction by an ironclad Confederate States naval vessel, , 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.
Q115026
Swedish-American
PER
Q3565868
railroad
Concept
Q2393776
"Novelty"
MISC
Q2144114
Rainhill Trials
EVE
Q1398696
Liverpool and Manchester Railway
ORG
Q133614
George Stephenson
PER
Q777026
"Rocket"
MISC
Q49
North America
LOC
Q11220
United States Navy
Concept
Q878374
Robert F. Stockton
PER
Q5171375
Cornelius H. DeLamater
PER
Q60
New York City
LOC
Q1410980
ironclad warship
Concept
Q558591
gun turret
Concept
Q3550003
Union Navy
ORG
Q1124986
Confederate States naval
ORG
Q868481
Battle of Hampton Roads
EVE
Q216868
Chesapeake Bay
LOC
Q422487
James River
LOC
Q8676
American Civil War
EVE
Q435290
John Ericsson
PER
1803-07-31T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
July 31, 1803
DATE
1889-03-08T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
March 8, 1889
DATE
1862-03-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
March 1862
DATE
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1781
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-1848
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1795
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-1866
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1821
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-1889
NUMBER
ethnic group
date of birth
part of
enemy of
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