English Stephen Polyak Cited by user Neuroan on 14 Oct 2015 Stephen Lucian Polyak was an American neuroanatomist and neurologist considered to be one of the most prominent neuroanatomists of the 20th century.
Polish Stjepan Poljak Cited by user Filip em on 06 Aug 2008 Stjepan Poljak, Stephen Lucian Polyak (ur. 13 grudnia 1889 w Đurđevacu, zm. 9 marca 1955 w Chicago) – chorwacko-amerykański neurolog i neuroanatom.