Zebulon Montgomery Pikewas an American brigadier general and explorer for whom Pikes Peak in Colorado was renamed. As a U.S. Army officer he led two expeditions, first to reconnoiter the upper reaches of the Mississippi River in 1805-06 and then in 1806-07 to explore the Southwest to the fringes of the northern Spanish-colonial settlements. Pike's expeditions coincided with other Jeffersonian expeditions including the Lewis and Clark Expeditionand the Thomas Freeman and Peter Custis expedition. The second Pike Expedition crossed the...
(wikipedia)