David Sylvester was a British art critic who was most famous for promoting the artists Lucian Freud and Francis Bacon.
I found out that he had a shoes-off policy to protect the carpet in his Notting Hill home.
This blog recommends that you adopt a shoes-off policy in your home, not just for family but also for guests and other visitors. Socks, slippers and bare feet are fine indoors, but not shoes. Just say NO to shoes in your house!