[citation needed] Martin was employed by the British Foreign Office in 1898, serving as a King's messenger.
[citation needed] Martin formed a Boy Scout troop in London in 1909.
Martin maintained an independence from and, at times, uneasy relationship with Robert Baden-Powell.
He was one of The Boy Scouts Association instructors at the first Wood Badge course held at Gilwell Park, from 8 to 19 September 1919.
In late 1923, he verified[further explanation needed] the French Scouting camp schools of Cappy and Chamarande.