Pedro Gamboni
Pedro Gamboni ( September 26 , 1825 - December 27 , 1895 ) was a Chilean chemical engineer who did important studies related to saltpeter and iodine in the regions of Tarapaca and Antofagasta . Gamboni invented a new method to extract nitrate from caliche leading to the phasing out of the older firewood and labour intensive paradas method in the 1850s . 
<triplet> Pedro Gamboni <subj> September 26, 1825 <obj> date of birth <subj> December 27, 1895 <obj> date of death <subj> Chile <obj> country of citizenship <triplet> Chile <subj> Tarapaca <obj> contains administrative territorial entity <triplet> Tarapaca <subj> Chile <obj> country <triplet> Antofagasta <subj> Chile <obj> country