Jack Cooke started in 1938 as a pipe fitter under Mr. Lowe who was Works Engineer for the No. 1 Shadow Factory. Later, under the supervision of the late Mr. L. Hall. Works Engineer, and Mr. Whalley, foreman. Jack worked throughout the war keeping pace with the increasing production of aero engines, and carried out most of the pipe work in the carburettor factory. During the war he also did stalwart work at night as an Aero No. 1 fire guard, and worked during daytime to maintain essential services especially after the blitzes in 1940.