Martín Corchado
Martín Corchado ( 25 April 1839 – 2 April 1898 ) was a nineteenth-century Puerto Rican physician who excelled in charitable medical services as well as in the field of medical research . 
<triplet> Martín Corchado <subj> 25 April 1839 <obj> date of birth <subj> 2 April 1898 <obj> date of death