Various people who knew Andropov well, including Vladimir Medvedev, Aleksandr Chuchyalin, Vladimir Kryuchkov[92] and Roy Medvedev, remembered him for his politeness, calmness, unselfishness, patience, intelligence and exceptionally sharp memory.[93] According to Chuchyalin, while working at the Kremlin, Andropov would read about 600 pages a day and remember everything he read.[94] Andropov read English literature and could communicate in Finnish, English and German.[95]