Baden-Powell visited India in 1921, where he met and recruited Colonel Wilson, who was then Senior Deputy Commissioner of Police in Calcutta, and in his free time was serving as Calcutta"s District Scout Commissioner. Colonel Wilson ran Gilwell Park for The Scout Association in the early 1920s. He served as Director of the Boy Scouts International Bureau for 15 years, tasked with coordinating various Scout movements within countries and between them prior to the establishment of World Scout Regions.
After retirement, he served as Honorary President of the Boy Scouts International Committee for a further four years.
To encourage the creation of Rovering in the Boy Scouts of America, the first Wood Badge course held in the United States was a Rover Scout Wood Badge course, directed by Wilson. Wilson introduced an international Scout badge in 1939-a silver fleur-de-lis or arrowhead badge on a purple background surrounded by the names of the five continents in silver within a circular frame.
A flag of similar design followed, the flying of which was restricted to international Scout gatherings. During a visit in Austria in 1957 he was awarded with one of the highest honour of Austrian the Silbernen Steinbock (am rot-weiß-rotten Band).
Wilson took a six-year world tour reviewing the world"s Scout organizations, culminating in a five-month tour of Asia in October 1952.
Upon the 50th anniversary of World in 1957, Colonel Wilson took his research notes gathered on the trip and authored the publication of the first edition of the seminal work on world, Round the World. Wilson, a colonel, became known for heading the Scandinavian branch of the Special Operations Executive during World World War World War II