He competed for the Soviet Union in the decathlon at the 1964 and 1968 Olympics , winning a silver medal in 1964 .
Rein Aun -- Rein Aun was a multitalented Estonian athlete .
Rein Aun competed for the Soviet Union in the decathlon at the 1964 and 1968 Olympics , winning a silver medal in 1964 .
Rein Aun -- Rein Aun was a multitalented Estonian athlete .