Richard and Maurice McDonald
Richard James McDonald (February 16, 1909 – July 14, 1998) and Maurice James "Mac" McDonald (November 26, 1902 – December 11, 1971), known as the McDonald brothers, were American entrepreneurs who founded the fast food company McDonald's. The brothers opened the original McDonald's restaurant in 1940 in San Bernardino, California, where they created the Speedee Service System to produce their meals, a method that became the standard for the fast food industry.
Source: Wikipedia — Richard and Maurice McDonald (CC BY-SA 4.0)