

3 In Lancaster, Pennsylvania, he met with the well-known surveyor Andrew Ellicott and in Philadelphia he met with such personages as Dr. 2 Lewis undertook what today would be called a “crash course” in the study of cartography and the natural sciences, traveling to meet with the scientific luminaries of the time. Lewis made trips to Harpers Ferry, Virginia, and Philadelphia acquiring the necessary vessels for dangerous waterway navigation, and rifles, tomahawks and knives, to serve as means of protection, purchasing food, and as presents to native tribal leaders. Jefferson and Lewis discussed logistics and expectations of the journey. ” 1 Much of the planning for the expedition thus occurred at the White House while Lewis was employed as private secretary while working with Jefferson on the upcoming monumental voyage across the west. that you should be engaged in that office. In his letter offering Lewis the position, the president noted his particular “knowledge of the Western country, of the army and all of its interests and relations has rendered it desirable. Louis on May 14, 1804, Meriwether Lewis served as private secretary to President Thomas Jefferson. Along the way, the expedition was to make natural observations, establish relationships with Native American tribes, and establish routes of travel for future settlement.īefore leading the expedition that embarked from near St. From 1804 to 1806, Meriwether Lewis and William Clark led the Corps of Discovery, an expedition created by President Thomas Jefferson for the purpose of charting and exploring land acquired from the Louisiana Purchase.
