Betty MacDonald, Mrs. Piggle-Wiggle and upside down houses

Betty MacDonald fans,

Betty MacDonald's beloved Mrs. Piggle-Wiggle is living in an upside down house.

Did you see the closing ceremony in Sochi?

You could see upside down houses.

Who was the famous artist who created these scenes?

If you know the name send a mail and you can win a new Betty MacDonald fan club item about Mrs. Piggle-Wiggle.

Barbara