ark ed ▁upon ▁a ▁career ▁in ▁politics . ▁After ▁her ▁death ▁in ▁ 1 9 3 4 ▁Add ison ▁married ▁second ly ▁Dor othy , ▁daughter ▁of ▁Frederick ▁Per cy ▁Low , ▁in ▁ 1 9 3 7 . ▁Lord ▁Add ison ▁died ▁in ▁December ▁ 1 9 5 1 , ▁aged ▁ 8 2 , ▁only ▁two ▁months ▁after ▁the ▁end ▁of ▁his ▁political ▁career . ▁He ▁was ▁succeeded ▁in ▁his ▁titles ▁by ▁his ▁el dest ▁son , ▁Christopher . ▁Lady ▁Add ison ▁died ▁in ▁September ▁ 1 9 8 2 . ▁ ▁Selected ▁publications ▁Add ison ▁wrote ▁an ▁important ▁paper , ▁" On ▁the ▁Top ographical ▁An atom y ▁of ▁the ▁Ab dom inal ▁Vis cera ▁in ▁Man , ▁especially ▁the ▁Gast ro - Int est inal ▁Canal ", ▁that ▁was ▁published ▁in ▁four ▁parts ▁in ▁the ▁Journal ▁of ▁An atom y ▁and ▁Phys i ology ▁between ▁ 1 8 9 9 ▁and ▁ 1 9 0 1 : ▁ ▁Part ▁I . ▁July ▁ 1 8 9 9 , ▁Vol . ▁ 3 3 ▁( Part ▁ 4 ), ▁ 5 6 5 . 5 . ▁ ▁Part ▁II . ▁July ▁ 1 9 0 0 , ▁Vol . ▁ 3 4 ▁( Part ▁ 4 ), ▁ 4 2 7 – 4 5 0 . 9 . ▁ ▁Part ▁III . ▁January ▁ 1 9 0 1 , ▁Vol . ▁ 3 5 ▁( Part ▁ 2 ), ▁ 1 6 6 – 2 0 4 . 1 1