sentence: Richard James McDonald (February 16, 1909 July 14, 1998) and Maurice James McDonald (November 26, 1902 December 11, 1971) were American fast-food restaurateurs.
modified: fix grammar: Richard James McDonald (February 16, 1909 July 14, 1998) and Maurice James McDonald (November 26, 1902 December 11, 1971) was American fast-food restaurateurs.