Benjamin Louis Eulalie de Bonneville. [Missouri Historical Society, St. Louis, Photographs and Prints Collection, N38643]

Benjamin Louis Eulalie de Bonneville was born in Paris, France, in 1796. His father, a…

Nathan Boone. The date of the photo is unknown. [State Historical Society of Missouri, R. L. Hosman Collection (P0925)]

Nathan Boone, the youngest child of Daniel and Rebecca Bryan Boone, was born on March 2, 1781, at Boone’s…

Portrait of William Clark by Charles Willson Peale, c. 1807–1809. [Courtesy of the Independence National Historical Park]

William Clark, the celebrated explorer who joined Meriwether Lewis in leading an overland…

Stephen Watts Kearny. [Engraving by Y. B. Welch for Graham’s Magazine, from an original daguerreotype by Peter A. Juley & Son, photographers. Bancroft Library, University of California, Berkeley, California Faces: Selections from the Bancroft Library Portrait Collection]

Stephen Watts Kearny was born on August 30, 1794, in Newark, New Jersey. He was the…

A facsimile of the title page in the first edition of Zenon Leonard’s narrative about his experiences. [Adventures of Zenon Leonard (Cleveland: Burrows Brothers Co., 1904)]

Zenas Leonard, a fur trapper best known as the author of Adventures of a Mountain Man…

This 1806 map was reproduced from William Clark’s original map that traced the expedition’s journey across the Louisiana Purchase to the Pacific Ocean. [State Historical Society of Missouri Map Collection, 800.4 C549m 1804-1806]

Between May 1804 and September 1806, the Lewis and Clark expedition made its way up…

Henry Rowe Schoolcraft. [Popular Science Monthly, May 1890]

Henry Rowe Schoolcraft has a deserved reputation as an accomplished scientist-explorer who…