People /William M. Mann peoplepill id: william-m-mannWMM 1 views today 3 views this weekAmerican entomologist and the fifth director of the National Zoo in Washington, D.CWilliam M. MannBiographyBibliography (4)ListsAlso ViewedListsWilliam M. Mann is in following listsBy field of workNotable American biologistsGender: MaleBy work and/or countryNotable American ZoologistsGender: MaleNotable American EntomologistsGender: MaleFrom our partnersSponsoredWilliam M. Mann