Dr. Reinhardt was appointed ambassador to Nigeria by the Nixon administration in 1971 and later served as assistant secretary of state for public affairs under Henry A. Kissinger. In 1977, President Jimmy Carter named Dr. Reinhardt to be director of the information agency. He graduated from Knoxville College in 1939 and attended the University of Chicago before enlisting in the Army during World War II. He completed his graduate studies at the University of Wisconsin, Madison, where he received a doctorate in American literature. He is survived by his wife, the former Carolyn Daves; three daughters, Sharman Lancefield, Nicole Reinhardt and Cecile Fenstermaker; four grandsons; and two great-grandsons.