Gilberto Concepción de Gracia
Gilberto Concepción de Gracia ( July 9 , 1909 – March 16 , 1968 ) was a lawyer , journalist , author , politician and founder of the Puerto Rican Independence Party . 
<triplet> Gilberto Concepción de Gracia <subj> July 9, 1909 <obj> date of birth <subj> March 16, 1968 <obj> date of death