Picture 1: Eddie Rickenbacker driving William Jennings Bryan in a Firestone-Columbus in Abilene, Texas, 1909
Picture 2: Indianapolis Speedway, (L-R) Johnny Aitken, Eddie Rickenbacker, Dario Resta
Picture 3: Eddie Rickenbacker's brother, Albert Rickenbacher, sitting in a car in Indianapolis, Indiana. The car is a 1934 Airflow DeSoto.
Picture 4: Eddie Rickenbacker and E. O'Donell Mason Car, Elgin August 1919
Picture 5: Eddie Rickenbacker and Fred McCarty, masked from Peugot race car 1914, Corona California
Picture 6:That goes fast. In picture 6 we have Harley Earl to the left, and of course Eddie Rickenbaker in the car, at the 1956 Motorama.
FWIW, if I stumble across the source for a group of puzzles, I'll answer one or two, perhaps. I wouldn't run the category and then leave but one. Oh well.