Igor Grivennikov
Igor Grivennikov (born 11 July 1952) is a Russian former swimmer who competed in the 1972 Summer Olympics and won a silver in the 4 × 100 m freestyle relay. References 1952 births Living people Russian male swimmers Russian male freestyle swimmers Male backstroke swimmers Olympic swimmers for the Soviet Union Swimmers at the 1972 Summer Olympics Olympic silver medalists for the Soviet Union Olympic bronze medalists for the Soviet Union Olympic bronze medalists in swimming World Aquatics Championships medalists in swimming Medalists at the 1972 Summer Olympics Olympic silver medalists in swimming Moscow State University alumni Soviet male swimmers 20th-century Russian people 21st-century Russian people