Henry David (born David Henry Thoreau) 1817-62; U.S. naturalist & writer
See Thoreau in American Heritage Dictionary 4
American writer. A seminal figure in the history of American thought, he spent much of his life in Concord, Massachusetts, where he became associated with the New England transcendentalists and lived for two years on the shore of Walden Pond (1845-1847). His works include “Civil Disobedience” (1849) and Walden (1854).