| Name | John Polkinghorn |
|---|---|
| Sex | male |
| Birth Date | February 1, 1883 |
| Death Date | October 29, 1972 |
| Age at Death | 89 years, 8 months, 28 days old |
| Birth Place | Michigan |
| Death Place | Lake County, California |
| Social Security Number | 558-10-1142 |
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