Charles Marie de La Condamine

Charles Marie de La Condamine (French: [la kɔ̃damin]; 28 January 1701 – 4 February 1774) 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.

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