[Oleg Konstantinovich Khmelnitsky (1920-2004). On the occasion of the 100th birth anniversary].

November 4, 2020 marked the 100th anniversary of the birth of one of the leading pathologists of Russia, Honored Scientist of Russia, Corresponding Member of the Russian Academy of Medical Sciences, President of the Russian Association of Pathologists, Honorary Doctor of St. Petersburg Academy of Postgraduate Education Oleg Khmelnitsky - a man of bright, multifaceted, effective in his work, who had numerous pupils and followers.