▁High ▁No on ▁and ▁Black list ing ▁For eman ▁and ▁K ram er ' s ▁next ▁collaboration ▁was ▁the ▁Western , ▁High ▁No on . ▁During ▁production ▁of ▁the ▁film , ▁For eman ▁was ▁sum mon ed ▁to ▁appear ▁before ▁the ▁House ▁Un - American ▁Activ ities ▁Committee ▁( H U AC ). ▁He ▁test ified ▁that ▁he ▁had ▁been ▁a ▁member ▁of ▁the ▁American ▁Commun ist ▁Party ▁more ▁than ▁ten ▁years ▁earlier ▁while ▁still ▁a ▁young ▁man ▁but ▁had ▁become ▁dis ill usion ed ▁with ▁the ▁Party ▁and ▁quit . ▁As ▁a ▁result ▁of ▁his ▁ref us al ▁to ▁give ▁the ▁names ▁of ▁fellow ▁Party ▁members , ▁For eman ▁was ▁l abeled ▁as ▁an ▁" un co oper ative ▁witness " ▁and ▁black list ed ▁by ▁all ▁of ▁the ▁Hollywood ▁studio ▁b oss es . ▁ ▁High ▁No on ▁is ▁seen ▁by ▁some ▁as ▁an ▁alleg ory ▁for ▁Mc Car thy ism . ▁The ▁Western ▁film ▁is ▁considered ▁an ▁American ▁classic ▁and ▁was ▁No . ▁ 2 7 ▁on ▁American ▁Film ▁Institute ' s ▁ 1 0 0 ▁Years , ▁ 1 0 0 ▁Mov ies , ▁and ▁has ▁been ▁selected ▁for ▁pres ervation ▁in ▁the ▁United ▁States ▁National ▁Film ▁Reg istry . ▁This ▁would ▁be ▁the ▁last ▁film ▁he ▁would ▁be ▁allowed ▁to ▁work ▁on ▁by ▁a ▁Hollywood ▁studio ▁for ▁the ▁next ▁six ▁years . ▁High ▁No on , ▁the ▁film ▁that ▁was ▁For eman ' s ▁greatest ▁screen writing ▁accomplish ment , ▁made ▁no ▁mention ▁of ▁him ▁as ▁associate ▁producer