Which leader used dictatorial methods to rule roosevelt's people in russia

Joseph stalin used  dictatorial  methods  to  rule  rooseverts people  in  Russia.IN  Russia during   his leadership  non  Russian nationalities were  allowed  their  own  school  although  the  teaching  had  to  according  to  expectation  of communist  doctrine.Many of  the  cities  were  named  or renamed  in honor  for  him  as  part of  the  cult  of  personality  surrounding  him.