Photograph by B. Anthony Stewart, National Geographic Stock April 2013 THE RIGHT STUFF One of William L. Brown’s first assignments as a taxidermist was to preserve specimens that Teddy Roosevelt brought back from his 1909 expedition to Africa for the Smithsonian. In his 51-year career at the National Museum of Natural History in Washington, D.C., Brown worked on almost every imaginable kind of animal, including this timber wolf in 1947.