Jakob von Uexkull Centre Postal address: Struve St. 2, P.O. BOX 43, TARTU, ESTONIA E-MAIL uexkull@zbi.ee Jakob von Uexkull Centre was founded on November 16, 1993 as a branch organisation of Estonian Naturalists' Society , one of the oldest and most honourable academic societies of Estonia. The aim of the Centre is to commemorate the Baltic-German scientist and philosopher Jakob von Uexkull. The ...