A study of Francisco Jose de Caldas y Tenorio, who was born in 1768 in the Spanish colony Nueva Reino de Granada. In the first half of the 18th century France sent an expedition to the equator to learn the true figure of the Earth. However, Spain maintained strict control over the colonies' access to books and other Europeans' access to the colonies. Caldas, with a fervent interest in science and lacking the educational resources and personal contacts...