The life and academic legacy of the outstanding representatives of the classical Oriental studies of Russia, Ukraine and Europe – mentor A.Y. Krymsky (1871–1942) and his student V.F. Minorsky (1877–1966) reflect the personal events in the biographies of the two scholars and landmarks in the history of the research of the Islamic East from all over the world. During the periods when they lived in Russia, Ukraine, Iran, France and Britain, the two researchers held correspondence with each other.