There was an app for that.) AARP cards … for boomers! Some prominent Americans turned 50 this decade: Madonna. Prince. Ellen DeGeneres. The Smurfs. Michael Jackson — who also died at 50.

Also in Nina’s archive collection are ‘50s vintage shoes outfitted with the ankle strap so ubiquitous in that decade. “The ‘50s were a very forward-looking decade, creative, optimistic ...