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Ericsson, John (31 July 1803–08 March 1889), inventor and engineer, was born in Langbanshyttan, province of Wermland, Sweden, the son of Olof Ericsson, a mine proprietor and inspector, and Brita Sophia Yngstrom. His earliest education was instruction by his parents and private tutors. John often spent his days drawing and building models of the machinery in his father’s mine. His father was well educated, but John’s strong character traits were attributed to the influence of his mother. Sweden’s war with Russia ruined John’s father financially, but he was able to secure a position as an inspector on a canal project and to obtain appointments for his two sons as cadets in the Corps of Mechanical Engineers. Thus at age thirteen John began his first formal education, and his natural aptitudes for mechanical drawing and solving engineering problems were encouraged and developed....