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Andrew was born in Scotland in 1835 -
In 1848 a poor weaver brought his family to America -
By the time Andrew was 18 he was working in Pennsylvania as a private secretary to a railroad official. -
In 1865 Carnegie left his job and started his own company making railroad bridges from iron. -
In 1899 Carnegie Controlled a quarter of American iron and steel production -
In 1901 Carnegie retired after devoting the last 18 years of his life for public good