Amy Osborne Vanderbilt (July 22, 1908 – December 27, 1974) was an American authority on etiquette. In 1952 she published the best-selling book Amy Vanderbilt's Complete Book of Etiquette. The book, later retitled Amy Vanderbilt's Etiquette, has been updated and is still in circulation. Its longtime popularity has led to...
The modern rule is that every woman should be her own chaperon.