, ▁the ▁University ▁of ▁Leipzig ▁under ▁Werner ▁He isen berg , ▁and ▁E TH ▁Zur ich ▁under ▁Wolfgang ▁Paul i . ▁After ▁receiving ▁his ▁D Ph il ▁from ▁Leipzig ▁in ▁ 1 9 2 9 , ▁he ▁became ▁an ▁assistant ▁to ▁Paul i ▁in ▁Zur ich . ▁In ▁ 1 9 3 2 , ▁he ▁was ▁awarded ▁a ▁Rock ef eller ▁Fellow ship , ▁which ▁he ▁used ▁to ▁study ▁in ▁Rome ▁under ▁En rico ▁F erm i , ▁ ▁and ▁then ▁at ▁the ▁Cav end ish ▁Labor atory ▁at ▁the ▁University ▁of ▁Cambridge ▁under ▁Ralph ▁H . ▁F ow ler . ▁Due ▁to ▁Adolf ▁Hitler ' s ▁rise ▁to ▁power ▁in ▁Germany , ▁he ▁elected ▁to ▁not ▁return ▁home ▁in ▁ 1 9 3 3 , ▁but ▁to ▁remain ▁in ▁Britain . ▁He ▁worked ▁with ▁Hans ▁Bet he ▁at ▁the ▁University ▁of ▁Manchester , ▁then ▁at ▁the ▁Mond ▁Labor atory ▁at ▁Cambridge . ▁In ▁ 1 9 3 7 , ▁Mark ▁O li ph ant , ▁the ▁Australian , ▁newly ▁appointed ▁professor ▁of ▁physics ▁at ▁the ▁University ▁of ▁B irmingham ▁rec ru ited ▁him ▁for ▁a ▁new ▁chair ▁there ▁in ▁applied ▁mathematics . ▁ ▁Otto ▁Fr isch ▁▁ ▁Otto ▁Robert ▁Fr isch ▁was ▁born ▁in ▁Vienna ▁in ▁ 1 9 0 4 . ▁He ▁studied ▁physics ▁at ▁the ▁University ▁of ▁Vienna , ▁from ▁which ▁he ▁received ▁his ▁D Ph il ▁in ▁ 1 9 2 6 . ▁He ▁worked ▁at ▁the ▁Phys ikal isch - Te chn ische ▁Reichs anstalt ▁in ▁Berlin ▁until