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Ammen, Daniel (16 May 1819–11 July 1898), naval officer, author, and inventor, was born in Brown County, Ohio, the son of David Ammen and Sally Houtz, farmers. While still a boy, Ammen exerted an unanticipated influence on later national affairs when he pulled his friend and schoolmate ...


Charles Henry Davis. Courtesy of the Library of Congress (LC-USZ62-104940).


Davis, Charles Henry (16 January 1807–18 February 1877), naval officer and hydrographer, was born in Boston, Massachusetts, the son of Daniel Davis, solicitor general of Massachusetts, and Lois Freeman, the sister of James Freeman, the first Unitarian minister in New England. Davis entered Harvard College in 1821 but left two years later to become a midshipman and did not complete his degree until 1841. From 1824 to 1840 Davis served in the Mediterranean, the Baltic, the West Indies, the South Atlantic, and the Pacific; made warm friends, including ...