 One of his trademarks became a sweeping fender line which descended gently along the side of the car until it reached a "dip" at the head of the rear fender.Darrin began work with Kaiser-Frazer as a freelance consultant at the end of World War II, after a plan to manufacture and sell an advanced automobile of his own design failed to materialize due to an immediate postwar shortage of raw materials.Investment banker Charles Schwartz, a friend of Darrin's who had helped arrange the financing for his plan, introduced him to Joseph Frazer.