Description: [edan-image:id=siris_sic_5844,size=200,left]The Megatherium Club, named after a giant extinct sloth that once roamed South America, consisted of an eccentric group of young naturalists aiming to build the Smithsonian’s collection. The club was formed in 1857 under zoologist William Stimpson, who held the club’s first meeting in his cottage before the members were asked to set