Victor Pavlovich Protopopov

Victor Pavlovich Protopopov (October 22, 1880 - 1957) - famous Russian, Ukrainian and Soviet psychiatrist, member of the URSR Academy of Sciences. Being a pupil of Vladimir Bekhterev, Protopopov had founded his own pathophysiological school of thought in the Soviet psychiatry. Victor Pavlovich Protopopov authored more than 110 articles.

He is also known for the "Protopopov's sydrome", or "Protopopov's triad", which consists of the tachycardia, dilatated pupils and obstipation in bipolar disorder (then known as manic-depressive psychosis).