Agreed, He was always 20-40 years ahead of state of the art for materials.
He also tended to be fast and flexible with the structural engineering on his buildings, that said, none of them have fallen down, and some of his innovations have proven quite durable (SC Johnson Wax, being an example)
He also tended to be fast and flexible with the structural engineering on his buildings, that said, none of them have fallen down, and some of his innovations have proven quite durable (SC Johnson Wax, being an example)