Oleg Ernestovich Leist – lawyer and philosopher of law (on the 100^TH anniversary of the birth)

The article is dedicated to the 100^th anniversary of the birth of a prominent Soviet and Russian lawyer and philosopher of law, Doctor of Law, Honored Professor of the Lomonosov Moscow State University Oleg Ernestovich Leist (1925–2003). O. E. Leist made a significant contribution to legal science by posing general theoretical problems of understanding law and its essential characteristics, including: normativity, official establishment and protection by the state, systematicity, formal certainty, justice and authority; development of the topic of sanctions and legal responsibility; assessment of the essence of the state and demonstration of the connection between law and the state at various stages of social development.