▁in fe ctions ▁in ▁co con uts , ▁which ▁subsequently ▁was ▁approved ▁by ▁the ▁Food ▁and ▁D rug ▁Administration ▁and ▁is ▁presently ▁used . ▁After ▁returning ▁to ▁Sweden , ▁he ▁continued ▁his ▁studies ▁on ▁secondary ▁met abol ism . ▁He ▁received ▁his ▁second ▁Ph . D . ▁( cor respond ing ▁to ▁associate ▁professor ship ▁or ▁" H abil itation ") ▁from ▁the ▁University ▁of ▁Lund ▁in ▁ 1 9 6 4 . ▁Until ▁ 1 9 7 0 ▁he ▁was ▁associate ▁professor ▁there , ▁and ▁from ▁ 1 9 7 0 ▁on wards ▁he ▁has ▁been ▁full ▁professor ▁and ▁head ▁of ▁the ▁Department ▁of ▁P ure ▁and ▁App lied ▁Bio chem istry , ▁which ▁he ▁founded , ▁at ▁Lund ▁Institute ▁of ▁Technology . ▁He ▁also ▁co - f ounded ▁the ▁Department ▁of ▁bi ote chn ology ▁at ▁the ▁Swiss ▁Federal ▁Institute ▁of ▁Technology ▁E TH ▁Zur ich , ▁Switzerland , ▁in ▁ 1 9 8 2 . ▁He ▁is ▁now ▁acting ▁professor ▁emer it us ▁in ▁the ▁im print ing ▁group ▁Lund ▁Institute ▁of ▁Technology . ▁ ▁Pos itions ▁held ▁Professor ▁Mos bach ▁had ▁leaves ▁to ▁take ▁advantage ▁of ▁the ▁following ▁positions ▁▁ 1 9 6 2 ▁W aks man ▁Mer ck ▁post doc ▁fellow ship , ▁USA . ▁▁ 1 9 6 7 ▁H umb old t ▁assistant ▁professor ship ▁st ip end ▁at ▁the ▁Max - Plan ck ▁Institute , ▁Mun ich , ▁Germany . ▁▁ 1 9 7 0 ▁visit ing ▁professor ship ▁at ▁the ▁We iz mann ▁Institute