And the type of education surely matters. If the goal is to break through this 50-year horizon, then presumably an important part is to really get inside the he

And the type of education surely matters. If the goal is to break through this 50-year horizon, then presumably an important part is to really get inside the heads of people at least that long ago. Not to just translate our quarrels & concerns backwards, but rather to stay immersed in the issues of (say) 1920 long enough to feel what was important to people of the time.