For 10 points, name this French explorer who named Louisiana and traveled along the Mississippi.
His exploits began after he was named commandant of Fort Frontenac. Ultimately this commander of the Griffon was murdered by his own men upon reaching the Gulf of Mexico. His companions included Michael Aco and Father Hennepin, whom he sent into Michigan, and he organized a confederation among the Miami and the Illinois in order to fight the Iroquois, who threatened him and his lieutenant Henri de Tonti. For 10 points, name this French explorer who named Louisiana and traveled along the Mississippi.
His exploits began after he was named commandant of Fort Frontenac.
Rene Robert Cavalier, Sieur de {La Salle}