| Full Name | William C. Gretsinger Jr. |
| Date of Birth | Thursday 15 December 1927 |
| Date of Death | Sunday 29 July 1951 |
| Age of Death | 23 years, 7 months, 14 days |
| Born | |
| Active Years | 1951 |
| Races Contested | 1 |
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| Average Qualifying Position | Median: 33, Mean: 33.00 (Standard deviation: 0.00) |
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| Fastest Laps | 0 |
| Races Led | 0 |
| Debut | 1951 Indianapolis 500 |
| Last Race | 1951 Indianapolis 500 |
| Drivers' Championships |
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| Records Held Today | None |
| Records Held At Retirement | None |
| Records Ever Broken | None |
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