| Name | William Frederick Koss |
|---|---|
| Sex | male |
| Birth Date | May 24, 1877 |
| Death Date | July 20, 1956 |
| Age at Death | 79 years, 1 month, 26 days old |
| Birth Place | Wisconsin |
| Death Place | San Diego County, California |
| Father's Last Name | Koss |
| Mother's Maiden Name | Feitel |
| Social Security Number | 391-05-9889 |
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