The skiing haven continued to grow with the development of three additional ski areas, Buttermilk (1958), Aspen Highlands (1958), and Snowmass (1967). Elizabeth Paepcke was the daughter of William Albert Nitze, a chairman of Romance Languages at the University of Chicago., and Anna Sophia Hilken. She was married to Walter Paepcke, and she was the sister of American diplomatic figure Paul Nitze.
Elizabeth Paepcke
Anna Sophia Hilken