Complex sentence: Harley J. Earl (November 22,1893--April 10,1969) was the initial designated head of Design at General Motors, later becoming Vice President, the first top executive ever appointed in Design of a major corporation in American history.
Split into simpler sentences: Harley J. Earl (November 22,1893--April 10,1969) was an American automotive designer and business executive. He was the initial designated head of Design at General Motors, later becoming Vice President, the first top executive ever appointed in Design of a major corporation in American history.