Alexander Marshack
Alexander Marshack ( April 4 , 1918 – December 20 , 2004 ) was an American independent scholar and Paleolithic archaeologist . 
<triplet> Alexander Marshack <subj> April 4, 1918 <obj> date of birth <subj> December 20, 2004 <obj> date of death <subj> American <obj> country of citizenship