▁In ▁ 1 9 0 3 ▁he ▁took ▁the ▁dr . ph il os . ▁degree ▁at ▁the ▁University ▁of ▁Hels ink i ▁with ▁the ▁th esis ▁Die ▁Quant itä ts ver hält nisse ▁im ▁Pol m ak - la pp ischen , ▁about ▁the ▁language ▁in ▁Pol m ak . ▁He ▁was ▁promoted ▁to ▁professor ▁of ▁Fin no - U gr ic ▁languages ▁in ▁ 1 9 1 1 . ▁He ▁ultimately ▁retired ▁as ▁a ▁professor ▁in ▁ 1 9 4 6 , ▁but ▁had ▁several ▁abs ences ▁of ▁leave ▁between ▁ 1 9 1 1 ▁and ▁ 1 9 4 6 . ▁Among ▁others , ▁he ▁sat ▁in ▁C open hagen ▁as ▁a ▁member ▁of ▁the ▁Rein de er ▁Gra zing ▁Commission ▁between ▁ 1 9 1 3 ▁and ▁ 1 9 1 7 . ▁He ▁was ▁succeeded ▁in ▁ 1 9 4 7 ▁by ▁Kn ut ▁Ber gs land . ▁ ▁His ▁main ▁works ▁were ▁in ▁the ▁Norwegian ▁language . ▁He ▁released ▁the ▁text book ▁L æ reb ok ▁i ▁la pp isk ▁in ▁three ▁volumes ▁between ▁ 1 9 2 6 ▁and ▁ 1 9 2 9 , ▁and ▁the ▁dictionary ▁L app isk ▁or db ok ▁– ▁L app ▁Dictionary ▁in ▁three ▁volumes ▁between ▁ 1 9 3 2 ▁and ▁ 1 9 3 8 . ▁In ▁addition , ▁he ▁was ▁a ▁transl ator . ▁He ▁also ▁helped ▁the ▁Norwegian ▁Ge ological ▁Survey ▁with ▁Sam i ▁place ▁names . ▁ ▁After ▁the ▁stay ▁in ▁C open hagen ,