To say that the invention "was in the air" or "the times were ripe for it" are just other ways of stating that the inventors did not do the inventing, but that the cultures did.
Man's Rise to Civilization (1968)
To say that the invention "was in the air" or "the times were ripe for it" are just other ways of stating that the inventors did not do the inventing, but that the cultures did.
Man's Rise to Civilization (1968)