ikk ▁og ▁re aks jon , ▁and ▁wrote ▁with ▁the ▁purpose ▁of ▁medic inal ▁and ▁h yg ien ic ▁en light en ment ▁in ▁the ▁publications ▁Pop ul æ rt ▁T ids sk rift ▁for ▁Se ks u ell ▁Op ly s ning ▁( which ▁he ▁edited ) ▁and ▁Arbe id erm agas inet . ▁He ▁was ▁also ▁a ▁popular ▁radio ▁speaker ▁and ▁lect urer . ▁In ▁ 1 9 3 8 ▁he ▁was ▁appointed ▁to ▁the ▁vac ant ▁position ▁as ▁director ▁of ▁the ▁Norwegian ▁Director ate ▁for ▁Health . ▁When ▁World ▁War ▁II ▁came ▁to ▁Norway , ▁Ev ang ▁followed ▁the ▁cabinet ▁Ny ga ards v old ▁first ▁to ▁Northern ▁Norway , ▁then ▁to ▁ex ile ▁in ▁the ▁United ▁Kingdom . ▁Ev ang ▁was ▁given ▁the ▁rank ▁of ▁lieutenant ▁colon el . ▁He ▁spent ▁the ▁war ▁years ▁organ izing ▁a ▁health ▁administration ▁for ▁Norweg ians ▁abroad , ▁sp ending ▁time ▁in ▁the ▁USA ▁as ▁well . ▁After ▁the ▁war ▁he ▁co - f ounded ▁the ▁World ▁Health ▁Organ ization ; ▁he ▁was ▁also ▁board ▁chairman ▁for ▁some ▁time . ▁His ▁position ▁was ▁strength ened ▁after ▁the ▁war , ▁and ▁Ev ang ▁signal ized ▁techn ocr atic ▁amb itions . ▁Similarly , ▁the ▁health ▁conditions ▁in ▁Norway ▁improved ▁in ▁the ▁post - war ▁years . ▁Pol iom y el itis ▁was ▁er adic ated ▁and ▁t uber cul osis ▁dimin ished . ▁However , ▁several ▁w elf are ▁programs ▁were ▁implemented ▁long ▁after ▁Ev ang ' s ▁initi atives . ▁He ▁also ▁had