▁fundamental ▁new ▁result ▁about ▁the ▁prisoner ' s ▁d ile m ma ▁in ▁the ▁Pro ceed ings ▁of ▁the ▁National ▁Academy ▁of ▁Sciences ▁of ▁the ▁United ▁States ▁of ▁America . ▁He ▁wrote ▁a ▁for ew ord ▁to ▁a ▁treat ise ▁on ▁psych ic ▁phen omena ▁in ▁which ▁he ▁concluded ▁that ▁" ES P ▁is ▁real ... ▁but ▁cannot ▁be ▁tested ▁with ▁the ▁cl ums y ▁tools ▁of ▁science ". ▁ ▁Family ▁ ▁With ▁his ▁first ▁wife , ▁the ▁Swiss ▁math ematic ian ▁Ver ena ▁H uber - D ys on , ▁D ys on ▁had ▁two ▁children , ▁Est her ▁and ▁George . ▁In ▁ 1 9 5 8 ▁he ▁married ▁Im me ▁Jung ▁( born ▁ 1 9 3 6 ) ▁and ▁they ▁had ▁four ▁more ▁children : ▁Dor othy , ▁M ia , ▁Reb e cca , ▁and ▁Em ily ▁D ys on . ▁ ▁D ys on ' s ▁el dest ▁daughter , ▁Est her , ▁is ▁a ▁digital ▁technology ▁consult ant ▁and ▁invest or ; ▁she ▁has ▁been ▁called ▁" the ▁most ▁influ ential ▁woman ▁in ▁all ▁the ▁computer ▁world ". ▁His ▁son ▁George ▁is ▁a ▁historian ▁of ▁science , ▁one ▁of ▁whose ▁books ▁is ▁Project ▁Or ion : ▁The ▁At omic ▁Sp aces hip ▁ 1 9 5 7 – 1 9 6 5 . ▁ ▁Death ▁On ▁ 2 8 ▁February ▁ 2 0 2 0 ▁D ys on ▁died ▁at ▁a ▁hospital ▁near ▁Pr inc eton , ▁New ▁Jersey , ▁from ▁comp lications ▁following ▁a ▁fall