▁was ▁behind ▁his ▁departure ▁from ▁the ▁gallery , ▁continued . ▁In ▁addition , ▁his ▁political ▁belief s ▁caused ▁him ▁to ▁receive ▁bad ▁press ▁( he ▁was ▁an ▁an arch ist ▁when ▁most ▁of ▁the ▁Dutch ▁art ▁world ▁fav ored ▁social ism ), ▁which ▁had ▁a ▁negative ▁effect ▁on ▁his ▁ability ▁to ▁obtain ▁work . ▁In ▁ 1 9 0 4 , ▁he ▁decided ▁to ▁move ▁to ▁Germany . ▁▁ ▁With ▁help ▁from ▁the ▁art ▁historian ▁and ▁museum ▁director , ▁Friedrich ▁Den eken , ▁he ▁was ▁able ▁to ▁obtain ▁a ▁teaching ▁position ▁in ▁K ref eld ▁at ▁the ▁new ▁" Hand wer ker - ▁und ▁Kunst ge werb esch ule ". ▁This ▁gave ▁him ▁a ▁free ▁hand ▁to ▁create ▁furn iture ▁and ▁fabric ▁designs . ▁He ▁also ▁took ▁his ▁students ▁on ▁field ▁tri ps ▁to ▁show ▁them ▁the ▁ple asures ▁of ▁painting ▁en ▁ple in ▁air . ▁ ▁In ▁ 1 9 1 0 , ▁he ▁left ▁K ref eld ▁for ▁H agen ▁to ▁particip ate ▁in ▁the ▁avant - gar de ▁movement ▁being ▁spons ored ▁and ▁promoted ▁by ▁Karl ▁Ernst ▁Ost haus . ▁He ▁soon ▁received ▁numerous ▁comm issions ▁for ▁mur als , ▁m osa ics ▁and ▁st ained - glass ▁windows , ▁including ▁those ▁at ▁the ▁Ges ellen haus ▁( me eting ▁hall ) ▁ ▁in ▁Ne uss , ▁designed ▁by ▁Peter ▁Be hr ens . ▁During ▁his ▁stay ▁in ▁H agen , ▁he ▁was ▁a ▁teacher ▁at ▁the ▁Kunst ge werb esch ule ▁in ▁Ess en ▁and ▁rem ar ried .