Sergei Ivanovich Ozhegov (August 22 1900-1964), Russian lexicographer. His main piece of work, the Slovar' i Kul'tura Russkoi Rechi (Dictionary and Culture of Russian Speech) is very famous and is a well used reference for the Russian language today. He also founded the Russian Language Institute as part of the Russian Academy of Sciences to oversee and advise on the correct spelling, grammar and pronunciation of the Russian language.