Yes, I know, his right (left as you're viewing it) is dark. When we set out to shoot his portraits that day, I didn't know the location and so I didn't have any reflectors with me.
I assume that the home's owner is an Anglophile. Beyond that I don't know. I didn't get to talk to the homeowner that day because he was confined to the house with a bad cold, and we only worked in the garden.