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| Born |
August 27, 1906 Washington, D. C., United States |
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| Died | August 20, 1951 (aged 44) Oak Ridge, Tennessee, United States |
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| Sport | |||||||||||||
| Sport | Sports shooting | ||||||||||||
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Medal record
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Marcus William Dinwiddie (August 27, 1906 – August 20, 1951) was an American sport shooter who competed in the 1924 Summer Olympics. In 1924 he won the silver medal 50 metre rifle, prone in the team free rifle competition. He was born in Washington, D. C. and died in Oak Ridge, Tennessee.