I haere Festinger Boys 'High School i Brooklyn, a ka riro i tona BS tohu i roto i te hinengaro i te City College o New York i roto i 1939. haere ia ki te ako i raro i Kurt Lewin i te University o Iowa, i reira i riro Festinger tona PhD i roto i te tau 1940 me te i 1942 i roto i te mara o te whanonga tamaiti. Na tona ake whakaaetanga, kihai i hiahia ia i roto i te hinengaro pāpori, ka tae mai ia ki Iowa, a kihai i tango i te akoranga kotahi i roto i te hinengaro pāpori i roto i tona wa katoa i reira; hei utu, i hiahia ia i roto i te mahi o Lewin i mua i runga i ngā pūnaha, engari i arotahi Lewin i ki te hinengaro pāpori i te wa i tae mai ai ki tona oranga katoa. I te wā o te Pakanga Tuarua i roto i 1943, i marena ia i a Richard Bradley i roto i te Whare Wānanga o New York, ka haere tonu ia ki te whai i tona hiahia ki te mahi i runga i te tikanga pāpori pāpori, i muri i te whakawātea i te kaiako, i roto i te wā o te ako, i
Ko Trudy Bradley