Robert M. McFarlin
Robert M . McFarlin ( July 27 , 1866 – August 11 , 1942 ) was an American oilman , cattle rancher , philanthropist , and businessman who is best known for amassing a fortune by drilling for oil near Glenpool , Oklahoma with his nephew and son-in-law , James A . Chapman . 
<triplet> Robert M. McFarlin <subj> July 27, 1866 <obj> date of birth <subj> August 11, 1942 <obj> date of death