Elizabeth L. Post was the granddaughter-in-law of the legendary Emily Post. She was the first successor to Emily and earned the mantle of America's foremost authority on etiquette during her more than 30 years of work on behalf of The Emily Post Institute. During her tenure as author and spokesperson for the Institute, Mrs. Post revised and updated the classic text “Emily Post's Etiquette” five times from 1965 to 1992. She retired in 1995 and was succeeded by her daughter-in-law Peggy Post.
In addition, she authored many other books including “Emily Post's Complete Book of Wedding Etiquette,” “Emily Post's Wedding Planner,” “Emily Post's Table Manners for Today,” “Emily Post on Business Etiquette,” “Emily Post on Entertaining,” “Emily Post on Guests & Hosts,” “Emily Post on Invitations,” “Emily Post on Second Weddings,” “Please, Say Please,” “The Complete Book of Entertaining” with co-author Anthony Staffieri, and “Emily Post's Teen Etiquette” with co-author Joan M. Coles.
During her tenure Mrs. Post also wrote a monthly column for Good Housekeeping magazine entitled "Etiquette for Everyday." She conducted hundreds of media interviews annually and frequently appeared as a guest speaker across the country.
Mrs. Post was born in Englewood, New Jersey, and educated at the Dobbs Ferry Master's School. Elizabeth enjoyed fishing, golfing, and traveling with Bill and divided her time between their homes in Florida and Vermont. She passed away in Florida in April, 2010.