Dr Yuri Felshtinsky taught at Boston University and was a Fellow of the Hoover Institute, University of Stanford. He wrote bestseller Blowing up Russia ('Crucially important' Prof. Robert Service, Oxford University) with Alexander Litvinenko (Netflix bio-series in 2023), Colonel Vladimir Popov was a KGB operative from 1972 to the KGB putsch in August 1991 - in which he refused to take part. He emigrated to Canada where he currently resides.