Aides Blocked Hughes Plan to Reorganize Empire
Sworn testimony and statements from persons familiar with Summa Corp. made in connection with legal battle for estate taxes and control of Hughes estate, show that before Hughes died, inner circle of employes frustrated Hughes's efforts to name Jack D Real mgr of newly formed Eastern Div of Summa, to curb power of F W Gay, and to reorganize mgt of his affairs; some or all of aides threatened to quit if Hughes went ahead with plans; data on heretofore secret events have been developed by Tex Atty Gen John Hill and his asst, Rick Harrison, in effort to establish that Hughes was legal resident of Tex for tax purposes; if successful, Tex would be entitled to 17% of Hughes estate as inheritance taxes (M)