9 3 6 ▁he ▁checked ▁the ▁electric ▁conduct ivity ▁of ▁liquid ▁hel ium ▁and ▁started ▁to ▁organ ize ▁the ▁inst itute ▁of ▁low ▁temperature ▁at ▁the ▁Wars aw ▁University ▁of ▁Technology . ▁He ▁also ▁worked ▁on ▁the ▁magnet ocal or imet ric ▁of ▁liquid ▁hel ium . ▁ ▁In ▁ 1 9 3 7 ▁he ▁found ▁the ▁direct ▁evidence ▁of ▁ful fil ment ▁of ▁the ▁law ▁of ▁" action ▁and ▁reaction " ▁for ▁the ▁elect rical ▁circuit ▁of ▁any ▁shape . ▁In ▁ 1 9 3 8 ▁he ▁made ▁his ▁final ▁measurements ▁of ▁magnet ost riction ▁of ▁liquid ▁o xygen ▁and ▁began ▁research ing ▁aut opro ton al ▁dis charg es ▁from ▁p all ad ium ▁hydro gen ated ▁an odes . ▁ ▁All ▁Wolf ke ' s ▁plans ▁were ▁crossed ▁by ▁the ▁World ▁War ▁II . ▁From ▁his ▁Institute ▁the ▁German ▁soldiers ▁st ole ▁the ▁lab ▁equipment . ▁During ▁the ▁occupation , ▁Wolf ke ▁led ▁the ▁Research ▁Institute ▁of ▁Techn ical ▁Physics ▁at ▁the ▁Wars aw ▁University ▁of ▁Technology ▁( which ▁was ▁controlled ▁by ▁the ▁occup ier ) ▁and ▁had ▁lect ures ▁at ▁the ▁High er ▁State ▁Techn ical ▁School . ▁He ▁also ▁organized ▁support ▁for ▁the ▁consp i racy ▁and ▁participated ▁in ▁the ▁under ground ▁teaching . ▁ ▁Before ▁the ▁war , ▁in ▁May ▁ 1 9 3 9 , ▁Wolf ke ▁wrote ▁an ▁article ▁in ▁the ▁magazine ▁" Pol ish ▁Ar med ▁Forces " ▁which ▁was ▁a ▁warning ▁against ▁N uc lear ▁weapons , ▁and ▁in ▁ 1 9 4