Description: Joseph Henry,the first Smithsonian Secretary, served from 1846 to 1878 and was a physicist who conducted pioneering research in electromagnetism.
Description: The Smithsonian Tropical Research Institute in Panama was founded in 1923 as the Barro Colorado Island Laboratory to study tropical biology. In 1946, it was placed under Smithsonian aegis as the Canal Zone Biological Area. Although still based in Panama, today its researchers study biodiversity and human culture throughout the tropics. History of the Smithsonian Tropical