Gladys del Estal
Gladys del Estal was a computer programmer and ecologist activist from San Sebastián , Gipuzkoa , Spain ( Caracas , 1956 - Tudela , 1979 ) . 
<triplet> Gladys del Estal <subj> Caracas <obj> place of birth <subj> 1956 <obj> date of birth <triplet> Gipuzkoa <subj> San Sebastián <obj> contains administrative territorial entity