Grigori Kromanov
Grigori Kromanov was an Estonian theatre and film director. He directed some of the best-known Estonian movies, including Viimne reliikvia and "Hukkunud Alpinisti" hotell.
His 1976 film Briljandid proletariaadi diktatuurile is based on the 1974 detective novel of the same namne by Yulian Semyonov.