Young designer also contributed to concepts for a cab-forward truck, the Mustang and the legendary GT40 BY MARK MAYNARD The endearing and enduring success of the Ford Bronco has roots in its earliest design by the first African American designer hired at Ford Motor Co. In 1956, McKinley Thompson Jr. had just graduated from ArtCenter College of Design in Pasadena, Calif., with a degree in transportation design. Among Thompson’s more noteworthy projects was the Bronco...