The Lewis and Clark expedition, which lasted from 1803 to 1806, was a U.S. expedition that explored the territory of the Louisiana Purchase and the country beyond as far as the Pacific Ocean.
Charles Morris, Oliver H. G. Leigh, Harriet Martineau, Henry Latham, Edward A. Pollard, William Howard Russell, S.C. Clarke, Thérès Yelverton, Thomas L. Nichols, Frederick Law Olmsted, G. W. Featherstonhaugh, J. S. Campion, Alfred Terry Bacon, Louis C. Bradford, Washington Irving, Meriwether Lewis, William Clarke, B A. Watson, Henry G. Bryant, William Edward Parry, Elisha Kent Kane, W. S. Schley, Septima M. Collins, James A. Harrison, Jonathan Carver, Thomas M. Hutchinson, Charles Darwin & Benjamin F. Bourne