Lewis and Clark- Lewis & Shieheke and William Clark in Frankfort. Meriwether Lewis, coleader of the 1803-06 Lewis and Clark Expedition, was in Frankfort from Nov. 13-15, 1806. Party included Mandan Chief Sheheke and family and delegation of Osage Indians. Group traveling to Washington to visit Pres. Thos. Jefferson. Over. (Reverse) William Clark, coleader of the 1803-06 Lewis & Clark Expedition, visited frankfort many times. On Oct. 29, 1809, he confirmed the death of Meriwether Lewis and discussed it with Christopher Greenup, Charles Scott, and others while passing through Frankfort on way to Washington.