[4] However the growing popularity of the cathedral and the use of English was regarded by the Japanese authorities as a threat and in 1943 they were interned in Changi prison.
Wilson was then one of 57 civilians who were tortured by the Japanese authorities in the "Double Tenth Incident", so-called because it started with a raid on the Changi internment facility on 10 October 1943.
Wilson was one of those who gave evidence of the nature of the torture to the investigation commission set up by the authorities of the Sime Road Internment Camp following the Japanese surrender in August 1945.
[17] In 1966 Wilson gave the address at the memorial service for the wartime General Officer Commanding (Malaya), Arthur Ernest Percival, which was held at St Martin-in-the-Fields in London.
The author of his ODNB article says that Wilson's "episcopate in Birmingham cemented a divided diocese, and strengthened the influence of the church on civic and social life".