Only since the nineteen-sixties have scientists begun to understand that the Earth is a great, living structure.

VOA: special.2010.01.12

Then came the great expansion of the nineteen-sixties, when the baby boomers entered and enrollments doubled.

NEWYORKER: Live and Learn

By the time my wife, now Dr. Peggy Bia, and I entered medical school in the late sixties great hopes were emerging, based on ideas like equality, civil rights and social justice.

FORBES: A Doctor Muses On The Selfishness Of Altruism

In the mid-sixties, when the BBC was still monopolizing radio in Great Britain, a rogue operator, broadcasting from a ship anchored in the North Sea, plays rock to a country that could only hear the Beatles and the Stones live or by going to a record store.

NEWYORKER: Pirate Radio