'Marietta Bob' Johnson (USA)
Last name
Johnson
First names
Robert Dunham
Nickname
Marietta Bob
Nationality
United States of America 
Born the
07/03/1927 - Parkersburg (West Virginia - USA)
Dead the
07/05/2012 - Marietta (Ohio - USA)
2 participations in the 24h of Le Mans
| Year | Pos | Number | Photo | Team | Car | Engine Tires |
Class | Drivers | Laps Dist Avg. Best Lap |
Retired |
|---|---|---|---|---|---|---|---|---|---|---|
| 1972 | 15th | 4 | No photo available | North American Racing Team (USA) | CHEVROLET Corvette ZL 1 | Chevrolet 6993 V8 à 90° Goodyear |
GTS (7th) |
'Dave' Heinz (USA) 'Marietta Bob' Johnson (USA) |
283 laps 3863.890 km 160.990 km/h |
|
| 1973 | Retired |
29 | No photo available | John Greenwood (USA) | CHEVROLET Corvette C3 | Chevrolet 6993 V8 à 90° BF Goodrich |
GTS |
John Greenwood (USA) 'Marietta Bob' Johnson (USA) |
37 laps 504.680 km 4:23.200 |
Cable accélérateur (4eme heure) |