In NUMBER@1 , the vice-president of ORGANIZATION@1 , PERSON@1 , assumed the presidency of the Britannica ; in NUMBER@2 , he began the policy of continuous revision -LRB- still practiced today -RRB- , in which every article is checked and possibly revised at least twice a decade .

In NUMBER@1 , the vice-president of ORGANIZATION@1 , PERSON@1 , owned the Britannica .
