z ▁Z eman ek . ▁With ▁a ▁subsequent ▁Research ▁Sch olar ship ▁of ▁the ▁German ▁Academ ic ▁Research ▁Program ▁he ▁was ▁appointed ▁to ▁the ▁Max ▁Plan ck ▁Institute ▁for ▁Bi oph ys ics ▁in ▁Frankfurt ▁( G erm any ) ▁where ▁he ▁worked ▁on ▁his ▁Ph . D . ▁th esis ▁( development ▁of ▁an ▁ult ra - sens itive ▁Electron ▁spin ▁reson ance ▁spect rom eter ▁for ▁the ▁study ▁of ▁radiation ▁induced ▁free ▁radical s ▁in ▁bi ological ▁subst ances ), ▁ ▁ment ored ▁by ▁Bor is ▁Raj ew sky , ▁and ▁studied ▁Physics ▁and ▁Bi oph ys ics ▁at ▁the ▁University ▁Frankfurt . ▁In ▁ 1 9 6 3 ▁he ▁got ▁his ▁Ph . D . ▁( Dr . ph il . nat ) ▁in ▁Physics ▁/ ▁Bi oph ys ics ▁from ▁the ▁University ▁Frankfurt , ▁and ▁in ▁ 1 9 6 4 ▁he ▁got ▁his ▁Ph . D . ▁( Dr . techn ) ▁in ▁ ▁Elect rical ▁Engineering ▁/ ▁Information ▁Technology ▁from ▁the ▁Techn ical ▁University ▁Vienna . ▁ ▁In ▁ 1 9 6 6 ▁Re it b ö ck ▁joined ▁the ▁West ing house ▁Research ▁Labor ator ies ▁as ▁a ▁Senior ▁Scient ist ▁( l ater ▁as ▁an ▁Ad vis ory ▁and ▁Fellow ▁Scient ist ▁and ▁was ▁appointed ▁member ▁of ▁the ▁West ing house ▁Research ▁Senate ). ▁In ▁his ▁research ▁he ▁was ▁working ▁in ▁computer ▁vision , ▁speech ▁recognition , ▁and ▁Associ ative ▁memory ▁technology . ▁He , ▁also , ▁discovered ▁a ▁new ▁translation - in variant ▁transform