Oliver Messel was an interior and set designer. I really like his work. Peter Watson was a rich patron of the arts. I think he may also have been a publisher.
I have heard of Oliver Messel before now that you mention that he was the famous set designer. Did not know he did interior design work too.
MATTHEW'S ISLAND 
Cecil Beaton, Peter Watson, and Oliver Messel
I know who Cecil Beaton was but never heard of the other two.
Oliver Messel was an interior and set designer. I really like his work. Peter Watson was a rich patron of the arts. I think he may also have been a publisher.
I have heard of Oliver Messel before now that you mention that he was the famous set designer. Did not know he did interior design work too.