▁the ▁summer ▁of ▁ 1 9 3 6 , ▁when ▁chemical ▁engine ers ▁of ▁the ▁Ag fa ▁company ▁in ▁Germany ▁tested ▁their ▁new ▁material ▁Ag fac ol or ▁at ▁the ▁sw imming ▁competition ▁of ▁the ▁ 1 9 3 6 ▁Summer ▁Olympics ▁in ▁Berlin . ▁Although ▁the ▁German ▁technology ▁promised ▁the ▁use ▁of ▁one ▁and ▁the ▁same ▁material ▁for ▁different ▁purposes , ▁r anging ▁from ▁phot ographic ▁negative ▁film ▁for ▁prints ▁to ▁phot ographic ▁sl ides ▁and ▁motion ▁picture ▁films , ▁it ▁took ▁another ▁three ▁years — until ▁July ▁ 1 9 3 9 — for ▁any ▁German ▁motion ▁picture ▁film ▁studio ▁to ▁experiment ▁with ▁the ▁film . ▁ ▁Early ▁use ▁in ▁German ▁motion ▁picture ▁films ▁The ▁Third ▁Reich ' s ▁Minister ▁of ▁Pro pag anda ▁Joseph ▁Go ebb els ▁was ▁in ▁a ▁hur ry . ▁He ▁adm ired ▁Hollywood ▁mov ies ▁and ▁exam ined ▁them ▁carefully ▁in ▁regular ▁private ▁screen ings ▁( s ometimes ▁with ▁Adolf ▁Hitler ▁and ▁his ▁staff ). ▁Techn icol or ▁films ▁such ▁as ▁The ▁Garden ▁of ▁Al lah ▁( 1 9 3 6 ), ▁G one ▁with ▁the ▁Wind ▁( 1 9 3 9 ) ▁and ▁Disney ' s ▁Snow ▁White ▁and ▁the ▁Seven ▁D war fs ▁( 1 9 3 7 ) ▁made ▁him ▁realize ▁that ▁Hollywood ▁feature ▁films ▁presented ▁a ▁threat ▁to ▁Germany ' s ▁internal ▁market , ▁and ▁that ▁Hollywood ' s ▁domin ance ▁of ▁color ▁film ▁technology ▁should ▁be ▁matched , ▁at ▁least ▁if ▁Germany ▁was ▁serious ▁about ▁eng aging ▁in ▁a ▁cultural ▁war