See, Cathryn, here's still another historical view. Again, before the Sixties!
And the sixties in the article is referring to the sexual revolution and is accurate in doing so.
The "real" sexual revolution began in the Fifties, not the Sixties! The folks were like rabbits back in the Fifties.
That case can be made after every war ever fought and is more true in the late 40s than it was in the 50s. Historically the sexual revolution started in the late 60s with the feminist movement
burning bras etc.
The 1950s had Hugh Hefner and Kinsey. A revolution needs its leaders.
LSD existed in the 1950s but it took Timothy Leary on the East coast and Ken Kesey on the West coast to make it an indulgence.