Vladimir Andreevich Yakubovich (born in Novosibirsk on October 21, 1926) is a notable Russian control theorist and head of the Department of Theoretical Cybernetics at Saint Petersburg State University (formerly Leningrad University).
In 1996 he received the IEEE Control Systems Award[1][2] for his contributions to control theory, including the Kalman–Yakubovich–Popov lemma.