"Dear Prudence" is an advice column appearing weekly in the online magazine "Slate" and syndicated to over 200 newspapers. The column was initiated on 20 December 1997. "Prudence" was a pseudonym, and the author's true identity was not revealed at the time. "Slate"'s archive currently indicates that the author of those first columns was Herbert Stein. Stein ceased writing the column after three months and the column went on hiatus. Wikipedia
The definitive Wikipedia entry for Dear Prudence. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Dear_Prudence_%28advice_column%29