In which area did this French engineer and physicist, whose name became synonymous to one of a series of concentric prolate ellipsoidal regions of space between and around a transmitting antenna and a receiving antenna system, contribute significantly?
Augustin-Jean Fresnel Augustin-Jean Fresnel ( ; ] ; 10 May 1788 – 14 July 1827) was a French engineer and physicist who contributed significantly to the establishment of the theory of wave optics. Fresnel studied the behaviour of light both theoretically and experimentally.
Charles Marie de La Condamine Charles Marie de La Condamine (28 January 1701 – 13 February 1774) was a French explorer, geographer, and mathematician. He spent ten years in present-day Ecuador measuring the length of a degree latitude at the equator and preparing the first map of the Amazon region based on astronomical observations. Furthermore he was a contributor to the Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers"."