Charles Marie de La Condamine was a French explorer, geographer, and mathematician. He spent ten years in territory which is now Ecuador, measuring the length of a degree of latitude at the equator and preparing the first map of the Amazon region based on astro-geodetic observations. Furthermore he was a contributor to the Encyclopédie.

Manta, also known as San Pablo de Manta, is a city in Ecuador, cantonal head of the Manta Canton, as well as the largest and most populated city in the Manabí Province. It is the seventh most populous in the country. Manta has existed since Pre-Columbian times. It was a trading post for the Manta, also known as Manteños.