Lloyd Viel Berkner

Lloyd Viel Berkner (born Feb. 1, 1905, Milwaukee, Wis., U.S.—died June 4, 1967, Washington, D.C.) was an American physicist and engineer who first measured the extent, including height and density, of the ionosphere (ionized layers of the Earth’s atmosphere), leading to a better understanding of radio wave propagation. He later turned his attention to investigating the origin and development of the Earth’s atmosphere. In 1950 the need for data on a worldwide scale led him...