Go deeper into the history of each park with scholarly articles and essays from Oxford University Press, freely available for the centennial year.
American National Biography
Ericsson was one of the most important inventors and naval engineers of the nineteenth century. He is remembered for building the first ironclad warship, but his major contributions were to maritime science and engineering. A man of little patience, he did not get along well with those who worked with him, likely because of the pace set by his active mind.