Yeah he was... hugely into natural light. One factor that may be relevant here: many of his houses are designed to not use curtains or other window coverings;

Yeah he was... hugely into natural light. One factor that may be relevant here: many of his houses are designed to not use curtains or other window coverings; privacy is instead built into the house by having the front approach have few windows, or only the kind that are small and near the roofline, with the rear having many.