Jacques Boucher de Crèvecœur de Perthes
Jacques Boucher de Crèvecœur de Perthes ( ; 10 September 1788 – 5 August 1868 ) , sometimes referred to as Boucher de Perthes ( ) , was a French archaeologist and antiquary notable for his discovery , in about 1830 , of flint tools in the gravels of the Somme valley . 
<triplet> Jacques Boucher de Crèvecœur de Perthes <subj> 10 September 1788 <obj> date of birth <subj> 5 August 1868 <obj> date of death