Description: Joseph Henry,the first Smithsonian Secretary, served from 1846 to 1878 and was a physicist who conducted pioneering research in electromagnetism.
Description: The National Zoological Park was founded in 1889 to preserve, teach, and conduct research about the animal world. The zoo opened in Rock Creek Park, Washington, DC in 1891, on a site designed by landscape architect Frederick Law Olmsted, and has been home to giant pandas, Asian elephants, and Smokey the Bear. History of the National Zoological ParkAdditional Historic Images of