This may seem like a sad story because it begins with a boy with few memories of his father, who died when he was 7 years old. It's why Mitch Goldstone cherishes his only picture with his dad — a snapshot at Disneyland taken during the late 1960s, when the concept of people reflexively reaching for smartphone cameras in their pockets could only happen in Tomorrowland.

But this story, and the personal stories that follow, aren't sad at all. And a half-century later and more, Goldstone has done something with that memory.

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