He is better known, however, as a friend and early admirer of Henry David Thoreau and as a correspondent of numerous contemporary American writers and abolitionists, including Amos Bronson Alcott, Ralph Waldo Emerson, William Lloyd Garrison, Oliver Wendell Holmes, and John Greenleaf Whittier.In 1834, Daniel Ricketson married Maria Louisa Sampson (1813-1877), by whom he had four children: Arthur (1