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'''John Ericsson''' (1803-1889) was a Swedish-American inventor and engineer. During the [[Civil War]], he designed and built the [[Moniter]], [[America]]'s first ironclad vessel. He was born in Sweeden in 1803. In 1839, he immigrated to the [[United States]] to work on his idea of screw propellers. He is created with creating almost 2,000 inventions in his lifetime.

'''John Ericsson''' (1803-1889) was a Swedish-American inventor and engineer. During the [[Civil War]], he designed and built the [[Moniter]], [[America]]'s first ironclad vessel. He was born in Sweeden in 1803. In 1839, he immigrated to the [[United States]] to work on his idea of screw propellers. He is created with creating almost 2,000 inventions in his lifetime.