▁his ▁out sp oken ▁nature , ▁as ▁he ▁public ly ▁opposed ▁some ▁official ▁views ▁and ▁policies . ▁In ▁ 1 9 6 9 ▁he ▁returned ▁to ▁Moscow , ▁assuming ▁a ▁position ▁of ▁department ▁head ▁at ▁the ▁Institute ▁of ▁Opt ical - Phys ical ▁Me asure ments . ▁Tw enty ▁years ▁later ▁he ▁became ▁a ▁Chief ▁Research er ▁at ▁the ▁Institute ▁for ▁High ▁Energy ▁D ens ities ▁of ▁the ▁Russian ▁Academy ▁of ▁Sciences . ▁In ▁his ▁late ▁years ▁Alt sh uler ▁published ▁several ▁books ▁and ▁articles ▁on ▁high - press ure ▁science ▁and ▁on ▁the ▁history ▁of ▁the ▁Soviet ▁At omic ▁Project . ▁ ▁Alt sh uler ▁was ▁married ▁to ▁Mari ya ▁S per ansk aya ▁( 1 9 1 6 – 1 9 7 7 ); ▁they ▁had ▁three ▁sons : ▁Bor is ▁( b . ▁ 1 9 3 9 ), ▁Aleks andr ▁( b . ▁ 1 9 4 5 ) ▁and ▁Mik h ail ▁( b . ▁ 1 9 5 5 ). ▁Bor is ▁became ▁a ▁notable ▁phys ic ist ; ▁he ▁moved ▁to ▁the ▁United ▁States ▁in ▁ 1 9 8 9 ▁and ▁besides ▁his ▁scientific ▁research ▁published ▁a ▁series ▁of ▁historical ▁books ▁related ▁to ▁And rei ▁Sak har ov , ▁his ▁father ▁and ▁the ▁Soviet ▁atomic ▁bomb ▁project . ▁ ▁Awards ▁USS R ▁State ▁Prize ▁( 1 9 4 6 , ▁ 1 9 4 9 , ▁ 1 9 5 3 ) ▁ ▁Order ▁of ▁Len in ▁( 1 9 4 9 , ▁ 1 9