Buick Y-Job
The 1938 Buick Y-Job is claimed to be the first concept car in history.
which had concealed headlamps and prefigured later Buick design motifs.

Designed by Harley J. Earl (Earl is credited as being the father of the concept car approach), the car had power-operated hidden headlamps, “gunsight” hood ornament, wraparound bumpers, flush door handles, and prefigured styling cues used by Buick until the 1950s.
