This is a photo of his home in Samoa:
The luncheon suggestion for today from 365 Luncheon Dishes (from 1902) is Hot Potato Salad, which sounds like German potato salad to me.
Today's so-called exotic dish suggestion from the 365 Foreign Dishes, published in 1908, is what they call Belgian Sweet Potato Puree, just sweet potatoes cooked and mixed with cinnamon and brown sugar and milk and topped with some butter (I'd try olive oil) and baked a bit.