John Marshall (sailor)
| Personal information | |||||||||||||||
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| Full name | John Knox Marshall | ||||||||||||||
| Born | April 9, 1942 (age 83) Santiago, Chile  | ||||||||||||||
Medal record 
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John Knox Marshall (born April 9, 1942 in Santiago, Chile) is an American competitive sailor and Olympic medalist. He won a bronze medal in the Dragon class at the 1972 Summer Olympics in Munich, together with Donald Cohan and Charles Horter.