Walker returned to England to manage the sale of one of his father's properties and made a visit to childhood friends and relatives, the Sutcliffe family, in Haworth in West Yorkshire.
The leading brother at the Windsor Ecclesia was Henry Gordon, an immigrant from Dominica, West Indies, and Walker requested baptism and informed him that a future wife would soon be sailing from England to join him.
On his return Walker was soon authoring a monthly feature, "The Jews and Their Affairs", showing particular interest in the emergent movement for a Jewish homeland in Palestine.
Boulton as the Christadelphian Magazine and Publishing Association Ltd (CMPA), which in 1937 took over management and, on Walker's recommendation, employed John Carter as the new editor.
He inherited from Roberts a controversy with John J. Andrew in London, which between 1898 and 1908 turned into a permanent breach, with a substantial part of the body in America separating as the Unamended Christadelphians led by Thomas Williams of Chicago.
Also in mentoring John Carter to take over the position of editor Walker found someone who was able to contribute substantially to the reunions of almost all of the Christadelphian movement into one group in the 1950s.