William Henry Ashley (c. 1778 – March 26, 1838) was an American miner, land speculator, manufacturer, territorial militia general, politician, frontiersman, fur trader, entrepreneur, hunter, and slave owner. Ashley was best known for being the co-owner with Andrew Henry of the highly-successful Rocky Mountain Fur Incorporated, otherwise known as "Ashley's Hundred" for the famous mountain men working for the firm from 1822 to 1834. Early life and ventures Although born a native of Powhatan County, Virginia, William Ashley had already moved to Ste. Genevieve, in what was then a part of the Louisiana Territory, when it was purchased by the United States from France in 1803. Career On a portion of this land, later known as Missouri, Ashley made his home for most of his adult life. Ashley moved to St. Louis around 1808 and became a brigadier general in the Missouri Militia during the War of 1812. Before the war, he did some real estate speculation and earned a small fortune manufacturing gunpowder from a lode of saltpeter mined in a cave, near the headwaters of the Current River in Missouri. When Missouri was admitted to the Union, William Henry Ashley was elected its first lieutenant governor, serving from 1820 to 1824 under Governor Alexander McNair. Ashley was a candidate in the 1824 Missouri gubernatorial election, losing to Frederick Bates. Entry into the fur trade In the early 1820s, William Henry Ashley and Andrew Henry, a bullet maker he met through his gunpowder business, posted famous advertisements in St. Louis newspapers seeking one hundred "enterprising young men . . . to ascend the river Missouri to its source, there to be employed for one, two, or three years." The men who responded to this call became known as "Ashley's Hundred." Between 1822 and 1825, Ashley and Henry's Rocky Mountain Fur Company sponsored several large scale fur trapping expeditions in the mountain west. Jedediah Smith's party, part of Ashley's Hundred, were officially credited with the American discovery of South Pass in the winter of 1824. Ashley devised the rendezvous system in which trappers, Indians and traders would meet annually in a predetermined location to exchange furs, goods and money. His innovations in the fur trade earned Ashley a great deal of money and recognition, and helped open the western part of the continent to American expansion. In 1825, he led an expedition into the Salt Lake Valley. South of the