Jack Howell (swimmer)
Jackson Zophar Howell (born January 29, 1899 – February 25, 1967) was an American competition swimmer who represented the United States at the 1920 Summer Olympics in Antwerp, Belgium. Howell competed in both the men's 200-meter breaststroke and the men's 400-meter breaststroke, and finished in fourth place in both event finals. References

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1899 births
1967 deaths
American male breaststroke swimmers
Olympic swimmers for the United States
Swimmers from San Francisco
Swimmers at the 1920 Summer Olympics
20th-century American people