Jean-Baptise Bénard de la Harpe
From FranaWiki
Jean-Baptise Bénard de la Harpe was a French explorer who in 1722 named two rocky outcroppings along the Arkansas River "La Petite Roche" and "La Grande Roche." La Petite Roche today forms the abutment of the Junction Bridge in downtown Little Rock. The La Grande Roche is two miles upstream.
De la Harpe traded goods with local Quapaw Indians.