Fluorinated polymers were applied to sand stone heritage in order to increase its compressive strength and consolidation as well as to enhance its resistance to desegregation by water.
It came out in 1950, three years after Jackie Robinson had broken baseball's color bar, and two years after Truman had ordered the desegregation of the armed forces.
The desegregation of American schools was very difficult and there was a lot of " resistance" (opposition) from people who didn't want to cooperate because they thought desegregation was wrong.
Instead, families were worried that this forced busing – forced desegregation would hurt their own neighborhood schools, the schools nearest to where they lived, and create more problems with discipline.
On its surface, it's a case about desegregation, but delve deeper and it's a reflection of a nation wrestling with its conscience, and a Court feeling the weight of historical change.
I think what my upbringing really taught me, because I was born on the other side of the tracks and had the opportunity because social engineers engaged in what was then called school desegregation.