W._S._E._Stephen
William Stewart Easton Stephen (17 May 1903 Fraserburgh, Aberdeen, Scotland–16 May 1975 Aberlour, Banffshire, Scotland[1]) was a philatelist who in 1960, with S.D. Tchilinghirian, was awarded the Crawford Medal by the Royal Philatelic Society London for his work Stamps of the Russian Empire used abroad.[2]
He was also a co-author of Austrian post offices abroad which, like the work Russia, was also issued in parts.