After winning the 24 Hours of Le Mans in 1967 together with A.J. Foyt, he spontaneously sprayed champagne while celebrating on the podium, starting this tradition. Daniel Sexton Gurney also was the first to put a simple right-angle extension on the upper trailing edge of the rear wing, called a Gurney flap, increases downforce and imposes only a relatively small increase in aerodynamic drag.

Dan Gurney