A lepidopterist is a person who catches and collects, studies, or simply observes (see butterfly watching) lepidopterans, members of an order encompassing moths and the three superfamilies of butterflies, skipper butterflies, and moth-butterflies. Famous lepidopterists William Stephen Atkinson (1820 –1876) Jean-Baptiste Boisduval (1799–1879)… (More on Lepidopterist)