Francisco José de Caldas
Francisco José de Caldas (October 4, 1768 – October 28, 1816) was a Neogranadine lawyer, military engineer, self-taught naturalist, mathematician, geographer and inventor (he created the first hypsometer), who was executed by orders of General Pablo Morillo during the Spanish American Reconquista for being a forerunner of the fight for the independence of New Granada (modern day Colombia). Arguably the first Colombian scientist, he is often nicknamed "El Sabio" (Spanish for "The learned," "The sage" or "The wise").
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