The Corps and the War of 1812 Lorna Hainesworth Paper tells about members of the Lewis and Clark Expedition’s Corps of Discovery who had significant life experiences during the War of 1812. The war is defined as beginning with the 1807 Embargo Act and ending with the Treaties at Portage des Sioux in 1815. Paper also includes persons closely associated with the Corps of Discovery who had War of 1812 experiences. Paper begins with an overview of the war followed by brief biological sketches of over thirty people. Paper concludes an appendix on Presidential involvement in the war along with a bibliography and list of recommended sites.