William Clark (1770-1838)
rank = Second Lieutenant
age = 34
home state = Virginia
After serving four years in the army in the Northwest territory with Meriwether Lewis, Clark resigned to help his family. And then rejoined the military, and was commisioned as a Second Lieutenant as Meriwether lewis's second-in-command.
Nathaniel Pryor (1772–1831)
rank = Sergeant
age = 32
home state =Virginia-Kentucky
Was one of the "Nine Young Men from Kentucky," that Lweis recruited to serve in the Expedition, who were good hunters and had good survival skills. Lewis considered Nathabiel to be "a man of character and ability."
François Labiche
rank = private
Francois was an experienced boatman and Indian trader. He also spoke English, French, and several Indian languages. Lewis and Clark met him in Kaskaskia, Illinois Territory. Francois accompanied Lewis to Washington after the expedition to interpret for Indian chiefs.