Description: Biologist and curator of mammals at the National Museum of Natural History, Viola Shelly Schantz was one of the founding members of the American Society of Mammalogists and one of the premier mammalogists of her day. #Groundbreaker
Description: The postcards in this gallery are from observatories associated with the Smithsonian. The Smithsonian Astrophysical Observatory established in 1890 in Cambridge, Massachusetts, is one of the Smithsonian’s research centers. Together with the Harvard College Observatory, it forms the Harvard-Smithsonian Center for Astrophysics.The Mt. Wilson Observatory opened in the early