Jolliet Louis

Jol·li·et

also Jo·li·et  (jō′lē-ĕt′, jō′lē-ĕt′, zhô-lyā′), Louis 1645-1700.
French-Canadian explorer of the upper Mississippi Valley who with Jacques Marquette sighted the Mississippi River on June 17, 1673, and descended it to the mouth of the Arkansas River.