8 6 ▁to ▁ 1 9 1 2 . ▁From ▁ 1 9 1 2 ▁he ▁was ▁appointed ▁professor ▁in ▁ge ology ▁at ▁the ▁Norwegian ▁Institute ▁of ▁Technology ▁in ▁Tr ond heim , ▁and ▁was ▁responsible ▁for ▁developing ▁the ▁inst itute ' s ▁department ▁of ▁ge ology . ▁ ▁References ▁ ▁Category : 1 8 5 8 ▁birth s ▁Category : 1 9 3 2 ▁death s ▁Category : Pe ople ▁from ▁T ved est rand ▁Category : 1 9 th - century ▁Norwegian ▁ge olog ists ▁Category : 2 0 th - century ▁Norwegian ▁ge olog ists <0x0A> </s> ▁Las ▁P ied ras ▁District ▁is ▁one ▁of ▁four ▁districts ▁of ▁the ▁province ▁Tamb op ata ▁in ▁Peru . ▁ ▁References <0x0A> </s> ▁Ó lá fs ▁s aga ▁or ▁The ▁S aga ▁of ▁King ▁O la f ▁can ▁refer ▁to : ▁ ▁The ▁various ▁versions ▁of ▁Ó lá fs ▁s aga ▁Try gg v ason ar ▁The ▁various ▁versions ▁of ▁Ó lá fs ▁s aga ▁hel ga ▁Ó lá fs ▁s aga ▁kyr ra ▁in ▁He im sk ring la ▁The ▁S aga ▁of ▁King ▁O la f , ▁a ▁poem ▁by ▁Henry ▁W ad sw orth ▁Long f ellow <0x0A> </s> ▁Roberto ▁Fle itas ▁( born ▁ 2 5 ▁may ▁ 1 9 3 2 ) ▁is ▁a ▁Uruguay an ▁football ▁head ▁coach ▁and ▁former ▁center ▁back ▁who ▁managed ▁the ▁Uruguay an ▁national ▁team ▁and ▁several ▁top ▁level ▁Uruguay an ▁clubs . ▁ ▁Career ▁He ▁played ▁as ▁a ▁center ▁back . ▁After