Hannes Kärkkäinen

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Hannes Kärkkäinen (17 July 1902 – 21 April 1938) was a Finnish diver. He competed in the men's 10 metre platform event at the 1924 Summer Olympics. He was born in Lappeenranta, then part of the Grand Duchy of Finland, and died at age 35 in Sandarmoh, Russian SFSR, Soviet Union.