Complex sentence: Margaret Craig McNamara (22 August 1915--3 February 1981) was the founder of the nonprofit children's literacy organization Reading is Fundamental and the wife of the United States Secretary of Defense Robert S. McNamara.
Split into simpler sentences: Margaret Craig McNamara (22 August 1915--3 February 1981) was the founder of the nonprofit children's literacy organization Reading is Fundamental. The wife of the United States Secretary of Defense Robert S. McNamara.