Please answer a question about the following article about Saint Helena:

There are scouting and guiding groups on Saint Helena and Ascension Island. Scouting was established on Saint Helena island in 1912. Lord and Lady Baden-Powell visited the Scouts on Saint Helena on the return from their 1937 tour of Africa. The visit is described in Lord Baden-Powell's book entitled African Adventures.

Who visited the scouts on their return from the tour of Africa in 1937?
Lord and Lady Baden-Powell