It's interesting how various myths and legends got started.
For example, in the very first Atom story involving Professor Hyatt's "Time Pool," Ray Palmer proves that he's ridiculously reckless for a reputable scientist...
From The Atom #2 (1962). Did you ever notice that, for a hero whose shtick is shrinking, Atom spends an awful lot his stories time traveling or facing time-based villains? What's up with that?