He essentially retired to Collingwood at this stage in his career being 63 years of age. To say he retired needs of course to be qualified with the remark that throughout his life he never held any paid scientific post.
Ta sisuliselt pensionil et Collingwood praegu oma karjääri jooksul on 63 aastat vana. St ta pensionär peab muidugi olema kvalifitseeritud märkusega, et kogu tema elu ta kunagi olnud kõigile palgalistele teaduslikud postiga.