John Ericsson was born in Langbanshyttan, Varmland, Sweden back in 1803. He joined the Swedish Royal Navy having the title of “cadets of mechanics”, working on the Gota Canal. When he was 17 he joined the Swedish Army in Jamtland as a second lieutenant. He resigned in 1826 moving to England.
The only formal education was at basic officer’s education and training during his time in the Swedish Army. In 1839, he moved to New York City, New York. Working on an invention he was hired by the United States Navy. In 1854, he presented his invention to Napoleon III of France, Napoleon was impressed but did not purchase it from him.
It wasn’t until 1861 that his invention was put to use and as they say the rest is history. What you may not know about John is that he invented and designed the first US Navy’s screw-propelled steam-frigate the USS Princeton and the first rotating turret on a ship the USS Monitor.
He also designed other naval vessels and weapons, including a torpedo, a destroyer and a torpedo boat.
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