The Nazi regime forced Prager out of the professorship and in 1934 he left Germany to go to Turkey where he was appointed as Professor of Theoretical Mechanics at the University of Istanbul.
Ang Nasi rehimeng sapilitang Prager out ng pagkapropesor at sa 1934 siya kaliwa sa Germany, pumunta sa Turkey kung saan siya ay hinirang bilang Professor ng panteorya mechanics sa University of Istanbul.