Audrey Grace Florine Stone Geisel (August 14, 1921 – December 19, 2018) was the second wife of American children's book author Theodor Geisel (Dr. Seuss), to whom she was married from 1968 until his death in 1991. She founded Dr. Seuss Enterprises in 1993, and was president and CEO of the company until her death in 2018.