He won a bronze medal in the team modern pentathlete event at the 1952 Summer Olympics .
Olavi Rokka ( 9 August 1925 -- 21 December 2011 ) was a Finnish modern pentathlete .
Olavi Rokka won a bronze medal in the team modern pentathlete event at the 1952 Summer Olympics .
Olavi Rokka ( 9 August 1925 -- 21 December 2011 ) was a Finnish modern pentathlete .