When it comes to leftovers, these days, any plastic — or glass — container will do. But for decades, that plastic storage container was Tupperware, created by Earl Tupper right here in Massachusetts.

Tupperware Ladies and Tupperware Parties became an icon of midcentury suburban living and an early form of multilevel marketing. Above, a party sometime in the 1950s. Getty Images About eight years ...

Tupperware _ and its patented burping semi-vacuum seal _ turns 50 this year, along with the first of the post-World War II baby-boom generation who grew up drinking from Tupperware plastic tumblers, ...