People Switzerland Jacques Ayer peoplepill id: jacques-ayerJA 23 views today 23 views this weekSwiss geologistJacques AyerBiographyListsAlso ViewedSimilar peoplePeople also viewedFlorian WidmerSwiss geologistRoger ZurbriggenSwiss geologistAndy AschwandenGlaciologistEric VerrecchiaSwiss geologistFrom our partnersSponsoredJacques Ayer