People South Africa Mark J. Gibbons peoplepill id: mark-j-gibbonsMJG 13 views today 13 views this weekSouth African spongiologistMark J. GibbonsBiographyListsAlso ViewedListsMark J. Gibbons is in following listsBy field of workNotable South African biologistsGender:MaleBy work and/or countryNotable South African SpongiologistsGender:MaleFrom our partnersSponsoredMark J. Gibbons