isation ▁Ernest ▁Born eman , ▁was ▁a ▁German ▁crime ▁writer , ▁film maker , ▁anth rop ologist , ▁eth nom us ic ologist , ▁ps y cho anal yst , ▁sex ologist , ▁commun ist ▁ag it ator , ▁jazz ▁music ian ▁and ▁critic . ▁All ▁these ▁diverse ▁interests , ▁he ▁claimed , ▁had ▁a ▁common ▁root ▁in ▁his ▁lif el ong ▁ins ati able ▁curiosity . ▁From ▁ 1 9 8 2 ▁to ▁ 1 9 8 6 ▁he ▁was ▁president ▁of ▁the ▁German ▁Society ▁for ▁Social - S cient ific ▁Sex ual ity ▁Research . ▁In ▁ 1 9 9 0 ▁he ▁was ▁awarded ▁the ▁Magn us ▁Hir sch feld ▁Medal ▁for ▁sexual ▁science . ▁From ▁the ▁ 1 9 9 0 s ▁on wards , ▁he ▁has ▁been ▁critic ized ▁for ▁having ▁made ▁a ▁contribution ▁to ▁the ▁sexual isation ▁of ▁children ▁through ▁pass ages ▁in ▁his ▁work ▁advoc ating ▁for ▁sexual ▁inter course ▁between ▁children ▁and ▁adult s . ▁ ▁Life ▁and ▁work ▁Ernst ▁Born emann ▁was ▁the ▁only ▁child ▁of ▁the ▁Jewish ▁couple ▁Curt ▁and ▁Her tha ▁( née ▁Blo ch ert ) ▁Born emann . ▁Born ▁and ▁raised ▁in ▁Berlin , ▁he ▁says ▁he ▁was ▁" sex ually ▁m ature ▁at ▁four teen , ▁polit ically ▁m ature ▁at ▁fifteen , ▁and ▁intellect ually ▁m ature ▁between ▁four teen ▁and ▁six teen ". ▁As ▁a ▁pup il ▁he ▁made ▁the ▁acquaint ance ▁of ▁German ▁Marx ist ▁poet ▁Bert olt ▁Bre cht ▁and ▁also ▁worked ▁at ▁the ▁coun s