People Frans Titus Valck Lucassen peoplepill id: frans-titus-valck-lucassenFTVL 9 views today 9 views this weekFrans Titus Valck LucassenBiographyListsAlso ViewedListsFrans Titus Valck Lucassen is in following listsBy field of workNotable biologistsGender:MaleBy work and/or countryNotable ZoologistsGender:MaleNotable EntomologistsGender:MaleFrom our partnersSponsoredFrans Titus Valck Lucassen