Chief John Aitken. Chief John Aitken, who has succeeded the late Chief Lawrence Clark as head of the fire brigade of London, Ont., became a fireman in that city on May 24, 1881—under the late John A. Roe, who was chief at that time, and was assigned as a pipeman in No. 1 company. He was promoted to be assistant foreman of the same company on October 1, 1882, and was appointed to the position of station foreman on May 1, 1888. On the annexation of South London to the city in 1890, he became district chief, with quarters at No. 3 company. In February, 1903, he was promoted to be assistant chief and electrician of the Gamewell system and removed to headquarters, which position he held up to October 5, 1908, when he received the appointment of chief engineer and superintendent of fire alarm.