Streetwise: Alive and Well at 50+ by Frank Dunnigan Frank Dunnigan, WNP member and columnist. - Many of us are shocked when we read or hear about beloved old San Francisco businesses and landmarks that have vanished—in fact, such losses tend to be a recurring theme in this column. This month, though, it’s time to recall just a few of the many great places that still remain—splendid survivors from another age, all of them 50+ years old—and filled with memories that draw us back again and again to enjoy good times and to share our experiences with others.