After attending the Green Vale School in Old Brookville, N.Y., where her classmates included Gloria Vanderbilt, and graduating from St. Timothy’s School in Stevenson, Md., she turned down a scholarship to Radcliffe to marry Arthur Twining Hadley II, whom she later described as “handsome, but a cad.” Her mother handed her off with the only bit of intimate advice she ever imparted: “Don’t worry, Dear, sex will only last a year.”