▁rules . ▁He ▁moved ▁to ▁Moscow ▁to ▁study ▁with ▁Ig or ▁T amm ▁whom ▁he ▁adm ired ▁for ▁his ▁books ▁on ▁electric ity ▁and ▁magnet ism . ▁In ▁ 1 9 3 4 , ▁Alt sh uler ▁and ▁T amm ▁published ▁a ▁famous ▁article ▁which ▁predicted ▁the ▁existence ▁of ▁the ▁magnetic ▁moment ▁of ▁neut ron ▁and ▁correctly ▁ ▁estimated ▁its ▁value ▁and ▁sign . ▁This ▁idea ▁was ▁so ▁unusual ▁then ▁that ▁even ▁N iels ▁Bo hr ▁who ▁visited ▁Moscow ▁in ▁ 1 9 3 4 ▁could ▁not ▁accept ▁it . ▁ ▁In ▁ 1 9 3 4 , ▁Alt sh uler ▁was ▁re called ▁to ▁Kaz an ▁by ▁Ev gen y ▁Z av ois ky ▁who ▁offered ▁him ▁a ▁position ▁of ▁lect urer ▁and ▁a ▁chair ▁of ▁the ▁theoretical ▁physics ▁group . ▁In ▁Kaz an , ▁Alt sh uler ▁closely ▁collabor ated ▁with ▁Z av ois ky ▁in ▁his ▁search ▁for ▁nuclear ▁magnetic ▁reson ance ▁and ▁electron ▁param agnet ic ▁reson ance . ▁One ▁indic ation ▁of ▁this ▁collaboration ▁was ▁a ▁paper ▁published ▁during ▁the ▁World ▁War ▁II ▁with ▁the ▁names ▁of ▁Z av ois ky , ▁Alt sh uler ▁and ▁Ko zy rev ▁– ▁Alt sh uler ▁was ▁absent ▁at ▁the ▁time , ▁serving ▁in ▁the ▁Soviet ▁army ▁during ▁the ▁war , ▁between ▁ 1 9 4 1 – 1 9 4 6 , ▁yet ▁his ▁ideas ▁were ▁val ued ▁by ▁his ▁group . ▁ ▁World ▁War ▁II ▁and ▁after ▁As ▁a ▁member ▁of ▁the ▁Commun ist ▁Party , ▁Alt sh uler