Jo Zwaan
Jo Zwaan (11 November 1922 – 5 February 2012) was a Dutch sprinter. He competed in the Men's 100 m and 4 × 100 m relay events at the 1948 Summer Olympics. Two years earlier he had already been present at the 1946 European Athletics Championships as part of the Dutch 4 × 100 m relay team, that finished in 4th position in 42.3 seconds. His brother Jan was also an Olympic sprinter; he participated in the 110 m hurdles event at the 1948 Games. References

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1922 births
2012 deaths
Dutch male sprinters
Athletes (track and field) at the 1948 Summer Olympics
Olympic athletes for the Netherlands
Athletes from Amsterdam